Fixed broken build system in broken webpack version.
Also updates module system to standardise on ES6 import/exports,
Especially since babel has changed it's 'default' logic for the old
module system.
- Updated homepage selection UI to be more scalable
- Cleaned homepage selection logic in code
- Added seed test data for bookshelves
- Added bookshelves to permission system
Removed uppercasing of labels to make a little friendlier.
Extracted out toggleswitch JS into own component.
Improved basic code input for html-head-input area.
Changed to be rendered server side along with page content.
Changed deletion to fully delete comments from the database.
Added 'local_id' to comments for referencing.
Updated reply system to be non-nested (Incomplete)
Made database comment format entity-agnostic to be more future proof.
Updated designs of comment sections.
