Remove unused #popular_tags div
Edit #available_tags styles
Remove unused tag editor styles
Assume tag manager 'available tags' container is always #available_tags
Move JS for preselecting tags to after TagManager.init()
Let various properties be set with the parameter to TagManager.init()
Fix error with expanding tag groups
Rename TagManager.createTagList() to TagManager.createTagTree()
Remove #available_tags_container, retain child div
Create and populate #available_tags_tree inside #available_tags
Add createTagList() and processTagList()
Edit styles of #available_tags to handle tree/list tabs
Edit styles to fix problems with tree/list tabs
Develop createTagList() further
Give tags data attributes instead of IDs and implement
getAvailableTagListItem()
Develop out multi-tab selecting and unselecting of tags
Fix issues in unselectTag()
Fix error in unselectTag()
Optimize determination of visibility
Correct overridden link color overriding too much