Fixes some small bugs with DataForm, UserList, and other areas.

Changelog:

 - fixed #8802: isImage not functioning in Folders
 - fixed: EMSBadge doesn't have a template field
 - fixed #4174: UserList template show links that should be hidden (Yung Han
   Khoe)
 - fixed #8839: Documentation is wrong for Stock Ticker
 - fixed #8880: YUI nav templates load menu too early
 - fixed #4218: Date field in DataForm shows incorrect values