* Adds warnings to the "Edit Category" dialog
* Doesn't hide the "Security" tab on the "Edit Category" dialog anymore. Instead, it shows an explanation why permissions can't be changed.
* Makes the category name translatable
* Hides the category name from the edit dialog (it can be customized by overriding the translation)
* Creates a translation override if the category has been renamed in the past
ccb48bef75