- Refactored some tag code bits while reviewing.
- Updated tag design in search listing to be more subtle.
- Moved tags out of entity-list-item-basic template and instead moved
them into entity-list-item, below the existing content.
- Tweaked existing tag colors a little.
- Changed tag icon to be more tag-like.
- Added tag-on-search test case.
Review of #2487, Related to #2462
- Created BookChild class to share some page/chapter logic.
- Gave entities the power to generate their own permissions and slugs.
- Moved bits out of BaseController constructor since it was overly
sticky.
- Moved slug generation logic into its own class.
- Created a facade for permissions due to high use.
- Fixed failing test issues from last commits
