diff --git a/js/admin/dist/app.js b/js/admin/dist/app.js
index fa20c7ee1..c325ba7bd 100644
--- a/js/admin/dist/app.js
+++ b/js/admin/dist/app.js
@@ -569,11 +569,11 @@ exports.System = System;
 		global.m = m
 	}
 	/* eslint-enable no-undef */
-})(typeof window !== "undefined" ? window : {}, function (global, undefined) { // eslint-disable-line
+})(typeof window !== "undefined" ? window : this, function (global, undefined) { // eslint-disable-line
 	"use strict"
 
 	m.version = function () {
-		return "v0.2.3"
+		return "v0.2.5"
 	}
 
 	var hasOwn = {}.hasOwnProperty
@@ -655,7 +655,7 @@ exports.System = System;
 				classes.push(match[2])
 			} else if (match[3][0] === "[") {
 				var pair = /\[(.+?)(?:=("|'|)(.*?)\2)?\]/.exec(match[3])
-				cell.attrs[pair[1]] = pair[3] || (pair[2] ? "" : true)
+				cell.attrs[pair[1]] = pair[3] || ""
 			}
 		}
 
@@ -700,7 +700,11 @@ exports.System = System;
 	 *                      or splat (optional)
 	 */
 	function m(tag, pairs) {
-		var args = [].slice.call(arguments, 1)
+		var args = []
+
+		for (var i = 1, length = arguments.length; i < length; i++) {
+			args[i - 1] = arguments[i]
+		}
 
 		if (isObject(tag)) return parameterize(tag, args)
 
@@ -794,8 +798,10 @@ exports.System = System;
 		})
 
 		var actions = []
-		for (var prop in existing) if (hasOwn.call(existing, prop)) {
-			actions.push(existing[prop])
+		for (var prop in existing) {
+			if (hasOwn.call(existing, prop)) {
+				actions.push(existing[prop])
+			}
 		}
 
 		var changes = actions.sort(sortChanges)
@@ -926,8 +932,10 @@ exports.System = System;
 
 			if (cached.controllers) {
 				forEach(cached.controllers, function (controller) {
-					if (controller.onunload) controller.onunload({preventDefault: noop});
-				});
+					if (controller.onunload) {
+						controller.onunload({preventDefault: noop})
+					}
+				})
 			}
 		}
 	}
@@ -1308,7 +1316,9 @@ exports.System = System;
 	var unloaders = []
 
 	function updateLists(views, controllers, view, controller) {
-		if (controller.onunload != null && unloaders.map(function(u) {return u.handler}).indexOf(controller.onunload) < 0) {
+		if (controller.onunload != null &&
+				unloaders.map(function (u) { return u.handler })
+					.indexOf(controller.onunload) < 0) {
 			unloaders.push({
 				controller: controller,
 				handler: controller.onunload
@@ -1320,11 +1330,32 @@ exports.System = System;
 	}
 
 	var forcing = false
-	function checkView(data, view, cached, cachedControllers, controllers, views) {
-		var controller = getController(cached.views, view, cachedControllers, data.controller)
+	function checkView(
+		data,
+		view,
+		cached,
+		cachedControllers,
+		controllers,
+		views
+	) {
+		var controller = getController(
+			cached.views,
+			view,
+			cachedControllers,
+			data.controller)
+
 		var key = data && data.attrs && data.attrs.key
-		data = pendingRequests === 0 || forcing || cachedControllers && cachedControllers.indexOf(controller) > -1 ? data.view(controller) : {tag: "placeholder"}
-		if (data.subtree === "retain") return data;
+
+		if (pendingRequests === 0 ||
+				forcing ||
+				cachedControllers &&
+					cachedControllers.indexOf(controller) > -1) {
+			data = data.view(controller)
+		} else {
+			data = {tag: "placeholder"}
+		}
+
+		if (data.subtree === "retain") return data
 		data.attrs = data.attrs || {}
 		data.attrs.key = key
 		updateLists(views, controllers, view, controller)
@@ -1389,6 +1420,9 @@ exports.System = System;
 			// set attributes first, then create children
 			var attrs = constructAttrs(data, node, namespace, hasKeys)
 
+			// add the node to its parent before attaching children to it
+			insertNode(parentElement, node, index)
+
 			var children = constructChildren(data, node, cached, editable,
 				namespace, configs)
 
@@ -1412,7 +1446,7 @@ exports.System = System;
 				controllers)
 		}
 
-		if (isNew || shouldReattach === true && node != null) {
+		if (!isNew && shouldReattach === true && node != null) {
 			insertNode(parentElement, node, index)
 		}
 
@@ -1531,14 +1565,18 @@ exports.System = System;
 	}
 
 	function copyStyleAttrs(node, dataAttr, cachedAttr) {
-		for (var rule in dataAttr) if (hasOwn.call(dataAttr, rule)) {
-			if (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) {
-				node.style[rule] = dataAttr[rule]
+		for (var rule in dataAttr) {
+			if (hasOwn.call(dataAttr, rule)) {
+				if (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) {
+					node.style[rule] = dataAttr[rule]
+				}
 			}
 		}
 
-		for (rule in cachedAttr) if (hasOwn.call(cachedAttr, rule)) {
-			if (!hasOwn.call(dataAttr, rule)) node.style[rule] = ""
+		for (rule in cachedAttr) {
+			if (hasOwn.call(cachedAttr, rule)) {
+				if (!hasOwn.call(dataAttr, rule)) node.style[rule] = ""
+			}
 		}
 	}
 
@@ -1611,7 +1649,7 @@ exports.System = System;
 		tag,
 		namespace
 	) {
-		if (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr)) {
+		if (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr) || ($document.activeElement === node)) {
 			cachedAttrs[attrName] = dataAttr
 			try {
 				return setSingleAttr(
@@ -1634,16 +1672,18 @@ exports.System = System;
 	}
 
 	function setAttributes(node, tag, dataAttrs, cachedAttrs, namespace) {
-		for (var attrName in dataAttrs) if (hasOwn.call(dataAttrs, attrName)) {
-			if (trySetAttr(
-					node,
-					attrName,
-					dataAttrs[attrName],
-					cachedAttrs[attrName],
-					cachedAttrs,
-					tag,
-					namespace)) {
-				continue
+		for (var attrName in dataAttrs) {
+			if (hasOwn.call(dataAttrs, attrName)) {
+				if (trySetAttr(
+						node,
+						attrName,
+						dataAttrs[attrName],
+						cachedAttrs[attrName],
+						cachedAttrs,
+						tag,
+						namespace)) {
+					continue
+				}
 			}
 		}
 		return cachedAttrs
@@ -1695,9 +1735,41 @@ exports.System = System;
 				$document.createRange().createContextualFragment(data))
 		} catch (e) {
 			parentElement.insertAdjacentHTML("beforeend", data)
+			replaceScriptNodes(parentElement)
 		}
 	}
 
+	// Replace script tags inside given DOM element with executable ones.
+	// Will also check children recursively and replace any found script
+	// tags in same manner.
+	function replaceScriptNodes(node) {
+		if (node.tagName === "SCRIPT") {
+			node.parentNode.replaceChild(buildExecutableNode(node), node)
+		} else {
+			var children = node.childNodes
+			if (children && children.length) {
+				for (var i = 0; i < children.length; i++) {
+					replaceScriptNodes(children[i])
+				}
+			}
+		}
+
+		return node
+	}
+
+	// Replace script element with one whose contents are executable.
+	function buildExecutableNode(node){
+		var scriptEl = document.createElement("script")
+		var attrs = node.attributes
+
+		for (var i = 0; i < attrs.length; i++) {
+			scriptEl.setAttribute(attrs[i].name, attrs[i].value)
+		}
+
+		scriptEl.text = node.innerHTML
+		return scriptEl
+	}
+
 	function injectHTML(parentElement, index, data) {
 		var nextSibling = parentElement.childNodes[index]
 		if (nextSibling) {
@@ -1825,7 +1897,7 @@ exports.System = System;
 	}
 
 	m.prop = function (store) {
-		if ((store != null && isObject(store) || isFunction(store)) &&
+		if ((store != null && (isObject(store) || isFunction(store)) || ((typeof Promise !== "undefined") && (store instanceof Promise))) &&
 				isFunction(store.then)) {
 			return propify(store)
 		}
@@ -1870,7 +1942,11 @@ exports.System = System;
 	}
 
 	m.component = function (component) {
-		var args = [].slice.call(arguments, 1)
+		var args = new Array(arguments.length - 1)
+
+		for (var i = 1; i < arguments.length; i++) {
+			args[i - 1] = arguments[i]
+		}
 
 		return parameterize(component, args)
 	}
@@ -1962,7 +2038,7 @@ exports.System = System;
 		try {
 			// lastRedrawId is a positive number if a second redraw is requested
 			// before the next animation frame
-			// lastRedrawID is null if it's the first redraw and not an event
+			// lastRedrawId is null if it's the first redraw and not an event
 			// handler
 			if (lastRedrawId && !force) {
 				// when setTimeout: only reschedule redraw if time between now
@@ -2021,7 +2097,7 @@ exports.System = System;
 
 	m.withAttr = function (prop, withAttrCallback, callbackThis) {
 		return function (e) {
-			e = e || event
+			e = e || window.event
 			/* eslint-disable no-invalid-this */
 			var currentTarget = e.currentTarget || this
 			var _this = callbackThis || this
@@ -2103,8 +2179,10 @@ exports.System = System;
 				params = {}
 			}
 
-			for (var i in args) if (hasOwn.call(args, i)) {
-				params[i] = args[i]
+			for (var i in args) {
+				if (hasOwn.call(args, i)) {
+					params[i] = args[i]
+				}
 			}
 
 			var querystring = buildQueryString(params)
@@ -2130,8 +2208,16 @@ exports.System = System;
 				var method = replaceHistory ? "replaceState" : "pushState"
 				computePreRedrawHook = setScroll
 				computePostRedrawHook = function () {
-					global.history[method](null, $document.title,
-						modes[m.route.mode] + currentRoute)
+					try {
+						global.history[method](null, $document.title,
+							modes[m.route.mode] + currentRoute)
+					} catch (err) {
+						// In the event of a pushState or replaceState failure,
+						// fallback to a standard redirect. This is specifically
+						// to address a Safari security error when attempting to
+						// call pushState more than 100 times.
+						$location[m.route.mode] = currentRoute
+					}
 				}
 				redirect(modes[m.route.mode] + currentRoute)
 			} else {
@@ -2180,29 +2266,31 @@ exports.System = System;
 			return true
 		}
 
-		for (var route in router) if (hasOwn.call(router, route)) {
-			if (route === path) {
-				m.mount(root, router[route])
-				return true
-			}
-
-			var matcher = new RegExp("^" + route
-				.replace(/:[^\/]+?\.{3}/g, "(.*?)")
-				.replace(/:[^\/]+/g, "([^\\/]+)") + "\/?$")
-
-			if (matcher.test(path)) {
-				/* eslint-disable no-loop-func */
-				path.replace(matcher, function () {
-					var keys = route.match(/:[^\/]+/g) || []
-					var values = [].slice.call(arguments, 1, -2)
-					forEach(keys, function (key, i) {
-						routeParams[key.replace(/:|\./g, "")] =
-							decodeURIComponent(values[i])
-					})
+		for (var route in router) {
+			if (hasOwn.call(router, route)) {
+				if (route === path) {
 					m.mount(root, router[route])
-				})
-				/* eslint-enable no-loop-func */
-				return true
+					return true
+				}
+
+				var matcher = new RegExp("^" + route
+					.replace(/:[^\/]+?\.{3}/g, "(.*?)")
+					.replace(/:[^\/]+/g, "([^\\/]+)") + "\/?$")
+
+				if (matcher.test(path)) {
+					/* eslint-disable no-loop-func */
+					path.replace(matcher, function () {
+						var keys = route.match(/:[^\/]+/g) || []
+						var values = [].slice.call(arguments, 1, -2)
+						forEach(keys, function (key, i) {
+							routeParams[key.replace(/:|\./g, "")] =
+								decodeURIComponent(values[i])
+						})
+						m.mount(root, router[route])
+					})
+					/* eslint-enable no-loop-func */
+					return true
+				}
 			}
 		}
 	}
@@ -2248,32 +2336,35 @@ exports.System = System;
 		var duplicates = {}
 		var str = []
 
-		for (var prop in object) if (hasOwn.call(object, prop)) {
-			var key = prefix ? prefix + "[" + prop + "]" : prop
-			var value = object[prop]
+		for (var prop in object) {
+			if (hasOwn.call(object, prop)) {
+				var key = prefix ? prefix + "[" + prop + "]" : prop
+				var value = object[prop]
 
-			if (value === null) {
-				str.push(encodeURIComponent(key))
-			} else if (isObject(value)) {
-				str.push(buildQueryString(value, key))
-			} else if (isArray(value)) {
-				var keys = []
-				duplicates[key] = duplicates[key] || {}
-				/* eslint-disable no-loop-func */
-				forEach(value, function (item) {
-					/* eslint-enable no-loop-func */
-					if (!duplicates[key][item]) {
-						duplicates[key][item] = true
-						keys.push(encodeURIComponent(key) + "=" +
-							encodeURIComponent(item))
-					}
-				})
-				str.push(keys.join("&"))
-			} else if (value !== undefined) {
-				str.push(encodeURIComponent(key) + "=" +
-					encodeURIComponent(value))
+				if (value === null) {
+					str.push(encodeURIComponent(key))
+				} else if (isObject(value)) {
+					str.push(buildQueryString(value, key))
+				} else if (isArray(value)) {
+					var keys = []
+					duplicates[key] = duplicates[key] || {}
+					/* eslint-disable no-loop-func */
+					forEach(value, function (item) {
+						/* eslint-enable no-loop-func */
+						if (!duplicates[key][item]) {
+							duplicates[key][item] = true
+							keys.push(encodeURIComponent(key) + "=" +
+								encodeURIComponent(item))
+						}
+					})
+					str.push(keys.join("&"))
+				} else if (value !== undefined) {
+					str.push(encodeURIComponent(key) + "=" +
+						encodeURIComponent(value))
+				}
 			}
 		}
+
 		return str.join("&")
 	}
 
@@ -2481,7 +2572,7 @@ exports.System = System;
 	m.sync = function (args) {
 		var deferred = m.deferred()
 		var outstanding = args.length
-		var results = new Array(outstanding)
+		var results = []
 		var method = "resolve"
 
 		function synchronizer(pos, resolved) {
@@ -2510,7 +2601,7 @@ exports.System = System;
 	function identity(value) { return value }
 
 	function handleJsonp(options) {
-		var callbackKey = "mithril_callback_" +
+		var callbackKey = options.callbackName || "mithril_callback_" +
 			new Date().getTime() + "_" +
 			(Math.round(Math.random() * 1e16)).toString(36)
 
@@ -2619,9 +2710,9 @@ exports.System = System;
 
 	function parameterizeUrl(url, data) {
 		if (data) {
-			url = url.replace(/:[a-z]\w+/gi, function(token){
+			url = url.replace(/:[a-z]\w+/gi, function (token){
 				var key = token.slice(1)
-				var value = data[key]
+				var value = data[key] || token
 				delete data[key]
 				return value
 			})
@@ -2686,6 +2777,7 @@ exports.System = System;
 				}
 			} catch (e) {
 				deferred.reject(e)
+				m.deferred.onerror(e)
 			} finally {
 				if (options.background !== true) m.endComputation()
 			}
@@ -2697,7 +2789,7 @@ exports.System = System;
 	}
 
 	return m
-})
+}); // eslint-disable-line
 ;
 ( function _package( factory ){
 	if( typeof define === 'function' && define.amd ){
@@ -14921,10 +15013,10 @@ return jQuery;
 }).call(this);
 ;
 /* ========================================================================
- * Bootstrap: affix.js v3.3.6
+ * Bootstrap: affix.js v3.3.7
  * http://getbootstrap.com/javascript/#affix
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -14950,7 +15042,7 @@ return jQuery;
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.3.6'
+  Affix.VERSION  = '3.3.7'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
@@ -15084,10 +15176,10 @@ return jQuery;
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: dropdown.js v3.3.6
+ * Bootstrap: dropdown.js v3.3.7
  * http://getbootstrap.com/javascript/#dropdowns
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -15104,7 +15196,7 @@ return jQuery;
     $(element).on('click.bs.dropdown', this.toggle)
   }
 
-  Dropdown.VERSION = '3.3.6'
+  Dropdown.VERSION = '3.3.7'
 
   function getParent($this) {
     var selector = $this.attr('data-target')
@@ -15250,10 +15342,10 @@ return jQuery;
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: modal.js v3.3.6
+ * Bootstrap: modal.js v3.3.7
  * http://getbootstrap.com/javascript/#modals
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -15284,7 +15376,7 @@ return jQuery;
     }
   }
 
-  Modal.VERSION  = '3.3.6'
+  Modal.VERSION  = '3.3.7'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
@@ -15391,7 +15483,9 @@ return jQuery;
     $(document)
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
-        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
+        if (document !== e.target &&
+            this.$element[0] !== e.target &&
+            !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
@@ -15588,11 +15682,11 @@ return jQuery;
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: tooltip.js v3.3.6
+ * Bootstrap: tooltip.js v3.3.7
  * http://getbootstrap.com/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -15615,7 +15709,7 @@ return jQuery;
     this.init('tooltip', element, options)
   }
 
-  Tooltip.VERSION  = '3.3.6'
+  Tooltip.VERSION  = '3.3.7'
 
   Tooltip.TRANSITION_DURATION = 150
 
@@ -15906,9 +16000,11 @@ return jQuery;
 
     function complete() {
       if (that.hoverState != 'in') $tip.detach()
-      that.$element
-        .removeAttr('aria-describedby')
-        .trigger('hidden.bs.' + that.type)
+      if (that.$element) { // TODO: Check whether guarding this code with this `if` is really necessary.
+        that.$element
+          .removeAttr('aria-describedby')
+          .trigger('hidden.bs.' + that.type)
+      }
       callback && callback()
     }
 
@@ -15951,7 +16047,10 @@ return jQuery;
       // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
       elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
     }
-    var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()
+    var isSvg = window.SVGElement && el instanceof window.SVGElement
+    // Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3.
+    // See https://github.com/twbs/bootstrap/issues/20280
+    var elOffset  = isBody ? { top: 0, left: 0 } : (isSvg ? null : $element.offset())
     var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
     var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
 
@@ -16067,6 +16166,7 @@ return jQuery;
       that.$tip = null
       that.$arrow = null
       that.$viewport = null
+      that.$element = null
     })
   }
 
@@ -16103,10 +16203,10 @@ return jQuery;
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: transition.js v3.3.6
+ * Bootstrap: transition.js v3.3.7
  * http://getbootstrap.com/javascript/#transitions
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -16976,7 +17076,6 @@ System.register('flarum/Component', [], function (_export, _context) {
          * @param {Array|Object} children
          * @public
          */
-
         function Component() {
           var props = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
           var children = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
@@ -19694,16 +19793,16 @@ System.register('flarum/components/PermissionDropdown', ['flarum/components/Drop
       if (restrictToGroupIds.indexOf(Group.GUEST_ID) !== -1) {
         // do nothing
       } else if (restrictToGroupIds.indexOf(Group.MEMBER_ID) !== -1) {
-          groupIds = groupIds.filter(function (id) {
-            return id !== Group.GUEST_ID;
-          });
-        } else if (groupIds.indexOf(Group.MEMBER_ID) !== -1) {
-          groupIds = restrictToGroupIds;
-        } else {
-          groupIds = restrictToGroupIds.filter(function (id) {
-            return groupIds.indexOf(id) !== -1;
-          });
-        }
+        groupIds = groupIds.filter(function (id) {
+          return id !== Group.GUEST_ID;
+        });
+      } else if (groupIds.indexOf(Group.MEMBER_ID) !== -1) {
+        groupIds = restrictToGroupIds;
+      } else {
+        groupIds = restrictToGroupIds.filter(function (id) {
+          return groupIds.indexOf(id) !== -1;
+        });
+      }
 
       groupIds = filterByRequiredPermissions(groupIds, required);
     });
@@ -20967,88 +21066,87 @@ System.register('flarum/components/UploadImageButton', ['flarum/components/Butto
 System.register("flarum/extend", [], function (_export, _context) {
   "use strict";
 
+  /**
+   * Extend an object's method by running its output through a mutating callback
+   * every time it is called.
+   *
+   * The callback accepts the method's return value and should perform any
+   * mutations directly on this value. For this reason, this function will not be
+   * effective on methods which return scalar values (numbers, strings, booleans).
+   *
+   * Care should be taken to extend the correct object – in most cases, a class'
+   * prototype will be the desired target of extension, not the class itself.
+   *
+   * @example
+   * extend(Discussion.prototype, 'badges', function(badges) {
+   *   // do something with `badges`
+   * });
+   *
+   * @param {Object} object The object that owns the method
+   * @param {String} method The name of the method to extend
+   * @param {function} callback A callback which mutates the method's output
+   */
+  function extend(object, method, callback) {
+    var original = object[method];
+
+    object[method] = function () {
+      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      var value = original ? original.apply(this, args) : undefined;
+
+      callback.apply(this, [value].concat(args));
+
+      return value;
+    };
+
+    babelHelpers.extends(object[method], original);
+  }
+
+  /**
+   * Override an object's method by replacing it with a new function, so that the
+   * new function will be run every time the object's method is called.
+   *
+   * The replacement function accepts the original method as its first argument,
+   * which is like a call to 'super'. Any arguments passed to the original method
+   * are also passed to the replacement.
+   *
+   * Care should be taken to extend the correct object – in most cases, a class'
+   * prototype will be the desired target of extension, not the class itself.
+   *
+   * @example
+   * override(Discussion.prototype, 'badges', function(original) {
+   *   const badges = original();
+   *   // do something with badges
+   *   return badges;
+   * });
+   *
+   * @param {Object} object The object that owns the method
+   * @param {String} method The name of the method to override
+   * @param {function} newMethod The method to replace it with
+   */
+
+  _export("extend", extend);
+
+  function override(object, method, newMethod) {
+    var original = object[method];
+
+    object[method] = function () {
+      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        args[_key2] = arguments[_key2];
+      }
+
+      return newMethod.apply(this, [original.bind(this)].concat(args));
+    };
+
+    babelHelpers.extends(object[method], original);
+  }
+  _export("override", override);
+
   return {
     setters: [],
-    execute: function () {
-      /**
-       * Extend an object's method by running its output through a mutating callback
-       * every time it is called.
-       *
-       * The callback accepts the method's return value and should perform any
-       * mutations directly on this value. For this reason, this function will not be
-       * effective on methods which return scalar values (numbers, strings, booleans).
-       *
-       * Care should be taken to extend the correct object – in most cases, a class'
-       * prototype will be the desired target of extension, not the class itself.
-       *
-       * @example
-       * extend(Discussion.prototype, 'badges', function(badges) {
-       *   // do something with `badges`
-       * });
-       *
-       * @param {Object} object The object that owns the method
-       * @param {String} method The name of the method to extend
-       * @param {function} callback A callback which mutates the method's output
-       */
-      function extend(object, method, callback) {
-        var original = object[method];
-
-        object[method] = function () {
-          for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
-            args[_key] = arguments[_key];
-          }
-
-          var value = original ? original.apply(this, args) : undefined;
-
-          callback.apply(this, [value].concat(args));
-
-          return value;
-        };
-
-        babelHelpers.extends(object[method], original);
-      }
-
-      /**
-       * Override an object's method by replacing it with a new function, so that the
-       * new function will be run every time the object's method is called.
-       *
-       * The replacement function accepts the original method as its first argument,
-       * which is like a call to 'super'. Any arguments passed to the original method
-       * are also passed to the replacement.
-       *
-       * Care should be taken to extend the correct object – in most cases, a class'
-       * prototype will be the desired target of extension, not the class itself.
-       *
-       * @example
-       * override(Discussion.prototype, 'badges', function(original) {
-       *   const badges = original();
-       *   // do something with badges
-       *   return badges;
-       * });
-       *
-       * @param {Object} object The object that owns the method
-       * @param {String} method The name of the method to override
-       * @param {function} newMethod The method to replace it with
-       */
-
-      _export("extend", extend);
-
-      function override(object, method, newMethod) {
-        var original = object[method];
-
-        object[method] = function () {
-          for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
-            args[_key2] = arguments[_key2];
-          }
-
-          return newMethod.apply(this, [original.bind(this)].concat(args));
-        };
-
-        babelHelpers.extends(object[method], original);
-      }
-
-      _export("override", override);
-    }
+    execute: function () {}
   };
 });;
 'use strict';
@@ -21592,7 +21690,6 @@ System.register('flarum/Model', [], function (_export, _context) {
          * @param {Store} store The data store that this model should be persisted to.
          * @public
          */
-
         function Model() {
           var data = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
           var store = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
@@ -23429,7 +23526,6 @@ System.register("flarum/utils/ScrollListener", [], function (_export, _context)
          *     changes.
          * @public
          */
-
         function ScrollListener(callback) {
           babelHelpers.classCallCheck(this, ScrollListener);
 
@@ -23490,78 +23586,78 @@ System.register("flarum/utils/ScrollListener", [], function (_export, _context)
 System.register('flarum/utils/string', [], function (_export, _context) {
   "use strict";
 
+  /**
+   * Truncate a string to the given length, appending ellipses if necessary.
+   *
+   * @param {String} string
+   * @param {Number} length
+   * @param {Number} [start=0]
+   * @return {String}
+   */
+  function truncate(string, length) {
+    var start = arguments.length <= 2 || arguments[2] === undefined ? 0 : arguments[2];
+
+    return (start > 0 ? '...' : '') + string.substring(start, start + length) + (string.length > start + length ? '...' : '');
+  }
+
+  /**
+   * Create a slug out of the given string. Non-alphanumeric characters are
+   * converted to hyphens.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+
+  _export('truncate', truncate);
+
+  function slug(string) {
+    return string.toLowerCase().replace(/[^a-z0-9]/gi, '-').replace(/-+/g, '-').replace(/-$|^-/g, '') || '-';
+  }
+
+  /**
+   * Strip HTML tags and quotes out of the given string, replacing them with
+   * meaningful punctuation.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+
+  _export('slug', slug);
+
+  function getPlainContent(string) {
+    var html = string.replace(/(<\/p>|<br>)/g, '$1 &nbsp;').replace(/<img\b[^>]*>/ig, ' ');
+
+    var dom = $('<div/>').html(html);
+
+    dom.find(getPlainContent.removeSelectors.join(',')).remove();
+
+    return dom.text().replace(/\s+/g, ' ').trim();
+  }
+
+  /**
+   * An array of DOM selectors to remove when getting plain content.
+   *
+   * @type {Array}
+   */
+
+  _export('getPlainContent', getPlainContent);
+
+  /**
+   * Make a string's first character uppercase.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+  function ucfirst(string) {
+    return string.substr(0, 1).toUpperCase() + string.substr(1);
+  }
+
+  _export('ucfirst', ucfirst);
+
   return {
     setters: [],
     execute: function () {
-      /**
-       * Truncate a string to the given length, appending ellipses if necessary.
-       *
-       * @param {String} string
-       * @param {Number} length
-       * @param {Number} [start=0]
-       * @return {String}
-       */
-      function truncate(string, length) {
-        var start = arguments.length <= 2 || arguments[2] === undefined ? 0 : arguments[2];
-
-        return (start > 0 ? '...' : '') + string.substring(start, start + length) + (string.length > start + length ? '...' : '');
-      }
-
-      /**
-       * Create a slug out of the given string. Non-alphanumeric characters are
-       * converted to hyphens.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-
-      _export('truncate', truncate);
-
-      function slug(string) {
-        return string.toLowerCase().replace(/[^a-z0-9]/gi, '-').replace(/-+/g, '-').replace(/-$|^-/g, '') || '-';
-      }
-
-      /**
-       * Strip HTML tags and quotes out of the given string, replacing them with
-       * meaningful punctuation.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-
-      _export('slug', slug);
-
-      function getPlainContent(string) {
-        var html = string.replace(/(<\/p>|<br>)/g, '$1 &nbsp;').replace(/<img\b[^>]*>/ig, ' ');
-
-        var dom = $('<div/>').html(html);
-
-        dom.find(getPlainContent.removeSelectors.join(',')).remove();
-
-        return dom.text().replace(/\s+/g, ' ').trim();
-      }
-
-      /**
-       * An array of DOM selectors to remove when getting plain content.
-       *
-       * @type {Array}
-       */
-
-      _export('getPlainContent', getPlainContent);
-
       getPlainContent.removeSelectors = ['blockquote', 'script'];
-
-      /**
-       * Make a string's first character uppercase.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-      function ucfirst(string) {
-        return string.substr(0, 1).toUpperCase() + string.substr(1);
-      }
-
-      _export('ucfirst', ucfirst);
     }
   };
 });;
@@ -23646,7 +23742,6 @@ System.register('flarum/utils/SubtreeRetainer', [], function (_export, _context)
         /**
          * @param {...callbacks} callbacks Functions returning data to keep track of.
          */
-
         function SubtreeRetainer() {
           babelHelpers.classCallCheck(this, SubtreeRetainer);
 
diff --git a/js/bower.json b/js/bower.json
index d40771046..7ddb711b1 100644
--- a/js/bower.json
+++ b/js/bower.json
@@ -7,7 +7,7 @@
     "spin.js": "~2.0.1",
     "moment": "~2.8.4",
     "color-thief": "v2.0",
-    "mithril": "lhorie/mithril.js#v0.2.3",
+    "mithril": "lhorie/mithril.js#v0.2.5",
     "es6-micro-loader": "caridy/es6-micro-loader#v0.2.1",
     "fastclick": "~1.0.6",
     "autolink": "~1.0.0",
diff --git a/js/forum/dist/app.js b/js/forum/dist/app.js
index 85f5f5e6d..4e5930a85 100644
--- a/js/forum/dist/app.js
+++ b/js/forum/dist/app.js
@@ -569,11 +569,11 @@ exports.System = System;
 		global.m = m
 	}
 	/* eslint-enable no-undef */
-})(typeof window !== "undefined" ? window : {}, function (global, undefined) { // eslint-disable-line
+})(typeof window !== "undefined" ? window : this, function (global, undefined) { // eslint-disable-line
 	"use strict"
 
 	m.version = function () {
-		return "v0.2.3"
+		return "v0.2.5"
 	}
 
 	var hasOwn = {}.hasOwnProperty
@@ -655,7 +655,7 @@ exports.System = System;
 				classes.push(match[2])
 			} else if (match[3][0] === "[") {
 				var pair = /\[(.+?)(?:=("|'|)(.*?)\2)?\]/.exec(match[3])
-				cell.attrs[pair[1]] = pair[3] || (pair[2] ? "" : true)
+				cell.attrs[pair[1]] = pair[3] || ""
 			}
 		}
 
@@ -700,7 +700,11 @@ exports.System = System;
 	 *                      or splat (optional)
 	 */
 	function m(tag, pairs) {
-		var args = [].slice.call(arguments, 1)
+		var args = []
+
+		for (var i = 1, length = arguments.length; i < length; i++) {
+			args[i - 1] = arguments[i]
+		}
 
 		if (isObject(tag)) return parameterize(tag, args)
 
@@ -794,8 +798,10 @@ exports.System = System;
 		})
 
 		var actions = []
-		for (var prop in existing) if (hasOwn.call(existing, prop)) {
-			actions.push(existing[prop])
+		for (var prop in existing) {
+			if (hasOwn.call(existing, prop)) {
+				actions.push(existing[prop])
+			}
 		}
 
 		var changes = actions.sort(sortChanges)
@@ -926,8 +932,10 @@ exports.System = System;
 
 			if (cached.controllers) {
 				forEach(cached.controllers, function (controller) {
-					if (controller.onunload) controller.onunload({preventDefault: noop});
-				});
+					if (controller.onunload) {
+						controller.onunload({preventDefault: noop})
+					}
+				})
 			}
 		}
 	}
@@ -1308,7 +1316,9 @@ exports.System = System;
 	var unloaders = []
 
 	function updateLists(views, controllers, view, controller) {
-		if (controller.onunload != null && unloaders.map(function(u) {return u.handler}).indexOf(controller.onunload) < 0) {
+		if (controller.onunload != null &&
+				unloaders.map(function (u) { return u.handler })
+					.indexOf(controller.onunload) < 0) {
 			unloaders.push({
 				controller: controller,
 				handler: controller.onunload
@@ -1320,11 +1330,32 @@ exports.System = System;
 	}
 
 	var forcing = false
-	function checkView(data, view, cached, cachedControllers, controllers, views) {
-		var controller = getController(cached.views, view, cachedControllers, data.controller)
+	function checkView(
+		data,
+		view,
+		cached,
+		cachedControllers,
+		controllers,
+		views
+	) {
+		var controller = getController(
+			cached.views,
+			view,
+			cachedControllers,
+			data.controller)
+
 		var key = data && data.attrs && data.attrs.key
-		data = pendingRequests === 0 || forcing || cachedControllers && cachedControllers.indexOf(controller) > -1 ? data.view(controller) : {tag: "placeholder"}
-		if (data.subtree === "retain") return data;
+
+		if (pendingRequests === 0 ||
+				forcing ||
+				cachedControllers &&
+					cachedControllers.indexOf(controller) > -1) {
+			data = data.view(controller)
+		} else {
+			data = {tag: "placeholder"}
+		}
+
+		if (data.subtree === "retain") return data
 		data.attrs = data.attrs || {}
 		data.attrs.key = key
 		updateLists(views, controllers, view, controller)
@@ -1389,6 +1420,9 @@ exports.System = System;
 			// set attributes first, then create children
 			var attrs = constructAttrs(data, node, namespace, hasKeys)
 
+			// add the node to its parent before attaching children to it
+			insertNode(parentElement, node, index)
+
 			var children = constructChildren(data, node, cached, editable,
 				namespace, configs)
 
@@ -1412,7 +1446,7 @@ exports.System = System;
 				controllers)
 		}
 
-		if (isNew || shouldReattach === true && node != null) {
+		if (!isNew && shouldReattach === true && node != null) {
 			insertNode(parentElement, node, index)
 		}
 
@@ -1531,14 +1565,18 @@ exports.System = System;
 	}
 
 	function copyStyleAttrs(node, dataAttr, cachedAttr) {
-		for (var rule in dataAttr) if (hasOwn.call(dataAttr, rule)) {
-			if (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) {
-				node.style[rule] = dataAttr[rule]
+		for (var rule in dataAttr) {
+			if (hasOwn.call(dataAttr, rule)) {
+				if (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) {
+					node.style[rule] = dataAttr[rule]
+				}
 			}
 		}
 
-		for (rule in cachedAttr) if (hasOwn.call(cachedAttr, rule)) {
-			if (!hasOwn.call(dataAttr, rule)) node.style[rule] = ""
+		for (rule in cachedAttr) {
+			if (hasOwn.call(cachedAttr, rule)) {
+				if (!hasOwn.call(dataAttr, rule)) node.style[rule] = ""
+			}
 		}
 	}
 
@@ -1611,7 +1649,7 @@ exports.System = System;
 		tag,
 		namespace
 	) {
-		if (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr)) {
+		if (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr) || ($document.activeElement === node)) {
 			cachedAttrs[attrName] = dataAttr
 			try {
 				return setSingleAttr(
@@ -1634,16 +1672,18 @@ exports.System = System;
 	}
 
 	function setAttributes(node, tag, dataAttrs, cachedAttrs, namespace) {
-		for (var attrName in dataAttrs) if (hasOwn.call(dataAttrs, attrName)) {
-			if (trySetAttr(
-					node,
-					attrName,
-					dataAttrs[attrName],
-					cachedAttrs[attrName],
-					cachedAttrs,
-					tag,
-					namespace)) {
-				continue
+		for (var attrName in dataAttrs) {
+			if (hasOwn.call(dataAttrs, attrName)) {
+				if (trySetAttr(
+						node,
+						attrName,
+						dataAttrs[attrName],
+						cachedAttrs[attrName],
+						cachedAttrs,
+						tag,
+						namespace)) {
+					continue
+				}
 			}
 		}
 		return cachedAttrs
@@ -1695,9 +1735,41 @@ exports.System = System;
 				$document.createRange().createContextualFragment(data))
 		} catch (e) {
 			parentElement.insertAdjacentHTML("beforeend", data)
+			replaceScriptNodes(parentElement)
 		}
 	}
 
+	// Replace script tags inside given DOM element with executable ones.
+	// Will also check children recursively and replace any found script
+	// tags in same manner.
+	function replaceScriptNodes(node) {
+		if (node.tagName === "SCRIPT") {
+			node.parentNode.replaceChild(buildExecutableNode(node), node)
+		} else {
+			var children = node.childNodes
+			if (children && children.length) {
+				for (var i = 0; i < children.length; i++) {
+					replaceScriptNodes(children[i])
+				}
+			}
+		}
+
+		return node
+	}
+
+	// Replace script element with one whose contents are executable.
+	function buildExecutableNode(node){
+		var scriptEl = document.createElement("script")
+		var attrs = node.attributes
+
+		for (var i = 0; i < attrs.length; i++) {
+			scriptEl.setAttribute(attrs[i].name, attrs[i].value)
+		}
+
+		scriptEl.text = node.innerHTML
+		return scriptEl
+	}
+
 	function injectHTML(parentElement, index, data) {
 		var nextSibling = parentElement.childNodes[index]
 		if (nextSibling) {
@@ -1825,7 +1897,7 @@ exports.System = System;
 	}
 
 	m.prop = function (store) {
-		if ((store != null && isObject(store) || isFunction(store)) &&
+		if ((store != null && (isObject(store) || isFunction(store)) || ((typeof Promise !== "undefined") && (store instanceof Promise))) &&
 				isFunction(store.then)) {
 			return propify(store)
 		}
@@ -1870,7 +1942,11 @@ exports.System = System;
 	}
 
 	m.component = function (component) {
-		var args = [].slice.call(arguments, 1)
+		var args = new Array(arguments.length - 1)
+
+		for (var i = 1; i < arguments.length; i++) {
+			args[i - 1] = arguments[i]
+		}
 
 		return parameterize(component, args)
 	}
@@ -1962,7 +2038,7 @@ exports.System = System;
 		try {
 			// lastRedrawId is a positive number if a second redraw is requested
 			// before the next animation frame
-			// lastRedrawID is null if it's the first redraw and not an event
+			// lastRedrawId is null if it's the first redraw and not an event
 			// handler
 			if (lastRedrawId && !force) {
 				// when setTimeout: only reschedule redraw if time between now
@@ -2021,7 +2097,7 @@ exports.System = System;
 
 	m.withAttr = function (prop, withAttrCallback, callbackThis) {
 		return function (e) {
-			e = e || event
+			e = e || window.event
 			/* eslint-disable no-invalid-this */
 			var currentTarget = e.currentTarget || this
 			var _this = callbackThis || this
@@ -2103,8 +2179,10 @@ exports.System = System;
 				params = {}
 			}
 
-			for (var i in args) if (hasOwn.call(args, i)) {
-				params[i] = args[i]
+			for (var i in args) {
+				if (hasOwn.call(args, i)) {
+					params[i] = args[i]
+				}
 			}
 
 			var querystring = buildQueryString(params)
@@ -2130,8 +2208,16 @@ exports.System = System;
 				var method = replaceHistory ? "replaceState" : "pushState"
 				computePreRedrawHook = setScroll
 				computePostRedrawHook = function () {
-					global.history[method](null, $document.title,
-						modes[m.route.mode] + currentRoute)
+					try {
+						global.history[method](null, $document.title,
+							modes[m.route.mode] + currentRoute)
+					} catch (err) {
+						// In the event of a pushState or replaceState failure,
+						// fallback to a standard redirect. This is specifically
+						// to address a Safari security error when attempting to
+						// call pushState more than 100 times.
+						$location[m.route.mode] = currentRoute
+					}
 				}
 				redirect(modes[m.route.mode] + currentRoute)
 			} else {
@@ -2180,29 +2266,31 @@ exports.System = System;
 			return true
 		}
 
-		for (var route in router) if (hasOwn.call(router, route)) {
-			if (route === path) {
-				m.mount(root, router[route])
-				return true
-			}
-
-			var matcher = new RegExp("^" + route
-				.replace(/:[^\/]+?\.{3}/g, "(.*?)")
-				.replace(/:[^\/]+/g, "([^\\/]+)") + "\/?$")
-
-			if (matcher.test(path)) {
-				/* eslint-disable no-loop-func */
-				path.replace(matcher, function () {
-					var keys = route.match(/:[^\/]+/g) || []
-					var values = [].slice.call(arguments, 1, -2)
-					forEach(keys, function (key, i) {
-						routeParams[key.replace(/:|\./g, "")] =
-							decodeURIComponent(values[i])
-					})
+		for (var route in router) {
+			if (hasOwn.call(router, route)) {
+				if (route === path) {
 					m.mount(root, router[route])
-				})
-				/* eslint-enable no-loop-func */
-				return true
+					return true
+				}
+
+				var matcher = new RegExp("^" + route
+					.replace(/:[^\/]+?\.{3}/g, "(.*?)")
+					.replace(/:[^\/]+/g, "([^\\/]+)") + "\/?$")
+
+				if (matcher.test(path)) {
+					/* eslint-disable no-loop-func */
+					path.replace(matcher, function () {
+						var keys = route.match(/:[^\/]+/g) || []
+						var values = [].slice.call(arguments, 1, -2)
+						forEach(keys, function (key, i) {
+							routeParams[key.replace(/:|\./g, "")] =
+								decodeURIComponent(values[i])
+						})
+						m.mount(root, router[route])
+					})
+					/* eslint-enable no-loop-func */
+					return true
+				}
 			}
 		}
 	}
@@ -2248,32 +2336,35 @@ exports.System = System;
 		var duplicates = {}
 		var str = []
 
-		for (var prop in object) if (hasOwn.call(object, prop)) {
-			var key = prefix ? prefix + "[" + prop + "]" : prop
-			var value = object[prop]
+		for (var prop in object) {
+			if (hasOwn.call(object, prop)) {
+				var key = prefix ? prefix + "[" + prop + "]" : prop
+				var value = object[prop]
 
-			if (value === null) {
-				str.push(encodeURIComponent(key))
-			} else if (isObject(value)) {
-				str.push(buildQueryString(value, key))
-			} else if (isArray(value)) {
-				var keys = []
-				duplicates[key] = duplicates[key] || {}
-				/* eslint-disable no-loop-func */
-				forEach(value, function (item) {
-					/* eslint-enable no-loop-func */
-					if (!duplicates[key][item]) {
-						duplicates[key][item] = true
-						keys.push(encodeURIComponent(key) + "=" +
-							encodeURIComponent(item))
-					}
-				})
-				str.push(keys.join("&"))
-			} else if (value !== undefined) {
-				str.push(encodeURIComponent(key) + "=" +
-					encodeURIComponent(value))
+				if (value === null) {
+					str.push(encodeURIComponent(key))
+				} else if (isObject(value)) {
+					str.push(buildQueryString(value, key))
+				} else if (isArray(value)) {
+					var keys = []
+					duplicates[key] = duplicates[key] || {}
+					/* eslint-disable no-loop-func */
+					forEach(value, function (item) {
+						/* eslint-enable no-loop-func */
+						if (!duplicates[key][item]) {
+							duplicates[key][item] = true
+							keys.push(encodeURIComponent(key) + "=" +
+								encodeURIComponent(item))
+						}
+					})
+					str.push(keys.join("&"))
+				} else if (value !== undefined) {
+					str.push(encodeURIComponent(key) + "=" +
+						encodeURIComponent(value))
+				}
 			}
 		}
+
 		return str.join("&")
 	}
 
@@ -2481,7 +2572,7 @@ exports.System = System;
 	m.sync = function (args) {
 		var deferred = m.deferred()
 		var outstanding = args.length
-		var results = new Array(outstanding)
+		var results = []
 		var method = "resolve"
 
 		function synchronizer(pos, resolved) {
@@ -2510,7 +2601,7 @@ exports.System = System;
 	function identity(value) { return value }
 
 	function handleJsonp(options) {
-		var callbackKey = "mithril_callback_" +
+		var callbackKey = options.callbackName || "mithril_callback_" +
 			new Date().getTime() + "_" +
 			(Math.round(Math.random() * 1e16)).toString(36)
 
@@ -2619,9 +2710,9 @@ exports.System = System;
 
 	function parameterizeUrl(url, data) {
 		if (data) {
-			url = url.replace(/:[a-z]\w+/gi, function(token){
+			url = url.replace(/:[a-z]\w+/gi, function (token){
 				var key = token.slice(1)
-				var value = data[key]
+				var value = data[key] || token
 				delete data[key]
 				return value
 			})
@@ -2686,6 +2777,7 @@ exports.System = System;
 				}
 			} catch (e) {
 				deferred.reject(e)
+				m.deferred.onerror(e)
 			} finally {
 				if (options.background !== true) m.endComputation()
 			}
@@ -2697,7 +2789,7 @@ exports.System = System;
 	}
 
 	return m
-})
+}); // eslint-disable-line
 ;
 ( function _package( factory ){
 	if( typeof define === 'function' && define.amd ){
@@ -15728,14 +15820,14 @@ var MMCQ = (function() {
     }
 }).call(this);
 ;
-(function(){var h=[].slice;String.prototype.autoLink=function(){var b,f,d,a,e,g;a=1<=arguments.length?h.call(arguments,0):[];e=/(^|[\s\n]|<br\/?>)((?:https?|ftp):\/\/[\-A-Z0-9+\u0026\u2019@#\/%?=()~_|!:,.;]*[\-A-Z0-9+\u0026@#\/%=~()_|])/gi;if(!(0<a.length))return this.replace(e,"$1<a href='$2'>$2</a>");d=a[0];f=function(){var c;c=[];for(b in d)g=d[b],"callback"!==b&&c.push(" "+b+"='"+g+"'");return c}().join("");return this.replace(e,function(c,b,a){c=("function"===typeof d.callback?d.callback(a):void 0)||"<a href='"+
-a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
+(function(){var h=[].slice;String.prototype.autoLink=function(){var b,f,d,a,e,g;a=1<=arguments.length?h.call(arguments,0):[];e=/(^|[\s\n]|<[A-Za-z]*\/?>)((?:https?|ftp):\/\/[\-A-Z0-9+\u0026\u2019@#\/%?=()~_|!:,.;]*[\-A-Z0-9+\u0026@#\/%=~()_|])/gi;if(!(0<a.length))return this.replace(e,"$1<a href='$2'>$2</a>");d=a[0];f=function(){var c;c=[];for(b in d)g=d[b],"callback"!==b&&c.push(" "+b+"='"+g+"'");return c}().join("");return this.replace(e,function(c,b,a){c=("function"===typeof d.callback?d.callback(a):
+void 0)||"<a href='"+a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 ;
 /* ========================================================================
- * Bootstrap: affix.js v3.3.6
+ * Bootstrap: affix.js v3.3.7
  * http://getbootstrap.com/javascript/#affix
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -15761,7 +15853,7 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.3.6'
+  Affix.VERSION  = '3.3.7'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
@@ -15895,10 +15987,10 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: dropdown.js v3.3.6
+ * Bootstrap: dropdown.js v3.3.7
  * http://getbootstrap.com/javascript/#dropdowns
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -15915,7 +16007,7 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
     $(element).on('click.bs.dropdown', this.toggle)
   }
 
-  Dropdown.VERSION = '3.3.6'
+  Dropdown.VERSION = '3.3.7'
 
   function getParent($this) {
     var selector = $this.attr('data-target')
@@ -16061,10 +16153,10 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: modal.js v3.3.6
+ * Bootstrap: modal.js v3.3.7
  * http://getbootstrap.com/javascript/#modals
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -16095,7 +16187,7 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
     }
   }
 
-  Modal.VERSION  = '3.3.6'
+  Modal.VERSION  = '3.3.7'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
@@ -16202,7 +16294,9 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
     $(document)
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
-        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
+        if (document !== e.target &&
+            this.$element[0] !== e.target &&
+            !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
@@ -16399,11 +16493,11 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: tooltip.js v3.3.6
+ * Bootstrap: tooltip.js v3.3.7
  * http://getbootstrap.com/javascript/#tooltip
  * Inspired by the original jQuery.tipsy by Jason Frame
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -16426,7 +16520,7 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
     this.init('tooltip', element, options)
   }
 
-  Tooltip.VERSION  = '3.3.6'
+  Tooltip.VERSION  = '3.3.7'
 
   Tooltip.TRANSITION_DURATION = 150
 
@@ -16717,9 +16811,11 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 
     function complete() {
       if (that.hoverState != 'in') $tip.detach()
-      that.$element
-        .removeAttr('aria-describedby')
-        .trigger('hidden.bs.' + that.type)
+      if (that.$element) { // TODO: Check whether guarding this code with this `if` is really necessary.
+        that.$element
+          .removeAttr('aria-describedby')
+          .trigger('hidden.bs.' + that.type)
+      }
       callback && callback()
     }
 
@@ -16762,7 +16858,10 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
       // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093
       elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })
     }
-    var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()
+    var isSvg = window.SVGElement && el instanceof window.SVGElement
+    // Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3.
+    // See https://github.com/twbs/bootstrap/issues/20280
+    var elOffset  = isBody ? { top: 0, left: 0 } : (isSvg ? null : $element.offset())
     var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }
     var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null
 
@@ -16878,6 +16977,7 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
       that.$tip = null
       that.$arrow = null
       that.$viewport = null
+      that.$element = null
     })
   }
 
@@ -16914,10 +17014,10 @@ a+"'"+f+">"+a+"</a>";return""+b+c})}}).call(this);
 }(jQuery);
 ;
 /* ========================================================================
- * Bootstrap: transition.js v3.3.6
+ * Bootstrap: transition.js v3.3.7
  * http://getbootstrap.com/javascript/#transitions
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
@@ -18620,7 +18720,6 @@ System.register('flarum/Component', [], function (_export, _context) {
          * @param {Array|Object} children
          * @public
          */
-
         function Component() {
           var props = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
           var children = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
@@ -28087,88 +28186,87 @@ System.register('flarum/components/WelcomeHero', ['flarum/Component', 'flarum/co
 System.register("flarum/extend", [], function (_export, _context) {
   "use strict";
 
+  /**
+   * Extend an object's method by running its output through a mutating callback
+   * every time it is called.
+   *
+   * The callback accepts the method's return value and should perform any
+   * mutations directly on this value. For this reason, this function will not be
+   * effective on methods which return scalar values (numbers, strings, booleans).
+   *
+   * Care should be taken to extend the correct object – in most cases, a class'
+   * prototype will be the desired target of extension, not the class itself.
+   *
+   * @example
+   * extend(Discussion.prototype, 'badges', function(badges) {
+   *   // do something with `badges`
+   * });
+   *
+   * @param {Object} object The object that owns the method
+   * @param {String} method The name of the method to extend
+   * @param {function} callback A callback which mutates the method's output
+   */
+  function extend(object, method, callback) {
+    var original = object[method];
+
+    object[method] = function () {
+      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+
+      var value = original ? original.apply(this, args) : undefined;
+
+      callback.apply(this, [value].concat(args));
+
+      return value;
+    };
+
+    babelHelpers.extends(object[method], original);
+  }
+
+  /**
+   * Override an object's method by replacing it with a new function, so that the
+   * new function will be run every time the object's method is called.
+   *
+   * The replacement function accepts the original method as its first argument,
+   * which is like a call to 'super'. Any arguments passed to the original method
+   * are also passed to the replacement.
+   *
+   * Care should be taken to extend the correct object – in most cases, a class'
+   * prototype will be the desired target of extension, not the class itself.
+   *
+   * @example
+   * override(Discussion.prototype, 'badges', function(original) {
+   *   const badges = original();
+   *   // do something with badges
+   *   return badges;
+   * });
+   *
+   * @param {Object} object The object that owns the method
+   * @param {String} method The name of the method to override
+   * @param {function} newMethod The method to replace it with
+   */
+
+  _export("extend", extend);
+
+  function override(object, method, newMethod) {
+    var original = object[method];
+
+    object[method] = function () {
+      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        args[_key2] = arguments[_key2];
+      }
+
+      return newMethod.apply(this, [original.bind(this)].concat(args));
+    };
+
+    babelHelpers.extends(object[method], original);
+  }
+  _export("override", override);
+
   return {
     setters: [],
-    execute: function () {
-      /**
-       * Extend an object's method by running its output through a mutating callback
-       * every time it is called.
-       *
-       * The callback accepts the method's return value and should perform any
-       * mutations directly on this value. For this reason, this function will not be
-       * effective on methods which return scalar values (numbers, strings, booleans).
-       *
-       * Care should be taken to extend the correct object – in most cases, a class'
-       * prototype will be the desired target of extension, not the class itself.
-       *
-       * @example
-       * extend(Discussion.prototype, 'badges', function(badges) {
-       *   // do something with `badges`
-       * });
-       *
-       * @param {Object} object The object that owns the method
-       * @param {String} method The name of the method to extend
-       * @param {function} callback A callback which mutates the method's output
-       */
-      function extend(object, method, callback) {
-        var original = object[method];
-
-        object[method] = function () {
-          for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
-            args[_key] = arguments[_key];
-          }
-
-          var value = original ? original.apply(this, args) : undefined;
-
-          callback.apply(this, [value].concat(args));
-
-          return value;
-        };
-
-        babelHelpers.extends(object[method], original);
-      }
-
-      /**
-       * Override an object's method by replacing it with a new function, so that the
-       * new function will be run every time the object's method is called.
-       *
-       * The replacement function accepts the original method as its first argument,
-       * which is like a call to 'super'. Any arguments passed to the original method
-       * are also passed to the replacement.
-       *
-       * Care should be taken to extend the correct object – in most cases, a class'
-       * prototype will be the desired target of extension, not the class itself.
-       *
-       * @example
-       * override(Discussion.prototype, 'badges', function(original) {
-       *   const badges = original();
-       *   // do something with badges
-       *   return badges;
-       * });
-       *
-       * @param {Object} object The object that owns the method
-       * @param {String} method The name of the method to override
-       * @param {function} newMethod The method to replace it with
-       */
-
-      _export("extend", extend);
-
-      function override(object, method, newMethod) {
-        var original = object[method];
-
-        object[method] = function () {
-          for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
-            args[_key2] = arguments[_key2];
-          }
-
-          return newMethod.apply(this, [original.bind(this)].concat(args));
-        };
-
-        babelHelpers.extends(object[method], original);
-      }
-
-      _export("override", override);
-    }
+    execute: function () {}
   };
 });;
 'use strict';
@@ -28998,7 +29096,6 @@ System.register('flarum/Model', [], function (_export, _context) {
          * @param {Store} store The data store that this model should be persisted to.
          * @public
          */
-
         function Model() {
           var data = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
           var store = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
@@ -31495,7 +31592,6 @@ System.register("flarum/utils/ScrollListener", [], function (_export, _context)
          *     changes.
          * @public
          */
-
         function ScrollListener(callback) {
           babelHelpers.classCallCheck(this, ScrollListener);
 
@@ -31716,78 +31812,78 @@ System.register('flarum/utils/slidable', [], function (_export, _context) {
 System.register('flarum/utils/string', [], function (_export, _context) {
   "use strict";
 
+  /**
+   * Truncate a string to the given length, appending ellipses if necessary.
+   *
+   * @param {String} string
+   * @param {Number} length
+   * @param {Number} [start=0]
+   * @return {String}
+   */
+  function truncate(string, length) {
+    var start = arguments.length <= 2 || arguments[2] === undefined ? 0 : arguments[2];
+
+    return (start > 0 ? '...' : '') + string.substring(start, start + length) + (string.length > start + length ? '...' : '');
+  }
+
+  /**
+   * Create a slug out of the given string. Non-alphanumeric characters are
+   * converted to hyphens.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+
+  _export('truncate', truncate);
+
+  function slug(string) {
+    return string.toLowerCase().replace(/[^a-z0-9]/gi, '-').replace(/-+/g, '-').replace(/-$|^-/g, '') || '-';
+  }
+
+  /**
+   * Strip HTML tags and quotes out of the given string, replacing them with
+   * meaningful punctuation.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+
+  _export('slug', slug);
+
+  function getPlainContent(string) {
+    var html = string.replace(/(<\/p>|<br>)/g, '$1 &nbsp;').replace(/<img\b[^>]*>/ig, ' ');
+
+    var dom = $('<div/>').html(html);
+
+    dom.find(getPlainContent.removeSelectors.join(',')).remove();
+
+    return dom.text().replace(/\s+/g, ' ').trim();
+  }
+
+  /**
+   * An array of DOM selectors to remove when getting plain content.
+   *
+   * @type {Array}
+   */
+
+  _export('getPlainContent', getPlainContent);
+
+  /**
+   * Make a string's first character uppercase.
+   *
+   * @param {String} string
+   * @return {String}
+   */
+  function ucfirst(string) {
+    return string.substr(0, 1).toUpperCase() + string.substr(1);
+  }
+
+  _export('ucfirst', ucfirst);
+
   return {
     setters: [],
     execute: function () {
-      /**
-       * Truncate a string to the given length, appending ellipses if necessary.
-       *
-       * @param {String} string
-       * @param {Number} length
-       * @param {Number} [start=0]
-       * @return {String}
-       */
-      function truncate(string, length) {
-        var start = arguments.length <= 2 || arguments[2] === undefined ? 0 : arguments[2];
-
-        return (start > 0 ? '...' : '') + string.substring(start, start + length) + (string.length > start + length ? '...' : '');
-      }
-
-      /**
-       * Create a slug out of the given string. Non-alphanumeric characters are
-       * converted to hyphens.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-
-      _export('truncate', truncate);
-
-      function slug(string) {
-        return string.toLowerCase().replace(/[^a-z0-9]/gi, '-').replace(/-+/g, '-').replace(/-$|^-/g, '') || '-';
-      }
-
-      /**
-       * Strip HTML tags and quotes out of the given string, replacing them with
-       * meaningful punctuation.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-
-      _export('slug', slug);
-
-      function getPlainContent(string) {
-        var html = string.replace(/(<\/p>|<br>)/g, '$1 &nbsp;').replace(/<img\b[^>]*>/ig, ' ');
-
-        var dom = $('<div/>').html(html);
-
-        dom.find(getPlainContent.removeSelectors.join(',')).remove();
-
-        return dom.text().replace(/\s+/g, ' ').trim();
-      }
-
-      /**
-       * An array of DOM selectors to remove when getting plain content.
-       *
-       * @type {Array}
-       */
-
-      _export('getPlainContent', getPlainContent);
-
       getPlainContent.removeSelectors = ['blockquote', 'script'];
-
-      /**
-       * Make a string's first character uppercase.
-       *
-       * @param {String} string
-       * @return {String}
-       */
-      function ucfirst(string) {
-        return string.substr(0, 1).toUpperCase() + string.substr(1);
-      }
-
-      _export('ucfirst', ucfirst);
     }
   };
 });;
@@ -31872,7 +31968,6 @@ System.register('flarum/utils/SubtreeRetainer', [], function (_export, _context)
         /**
          * @param {...callbacks} callbacks Functions returning data to keep track of.
          */
-
         function SubtreeRetainer() {
           babelHelpers.classCallCheck(this, SubtreeRetainer);