[TRAQ#1691] Remove irrelevent fields when creating a user
[TRAQ#1692] Add link to password reset form on the login page
[TRAQ#1693] Fix user login bug
[TRAQ#1694] /files/upload shows non-ready files
[TRAQ#1697] The files/detail/<file_id> tag list has a trailing comma
[TRAQ#1696] Delete button too prominent
[TRAQ#1698] class page error message incorrect on search when no matching results are found
[TRAQ#1699] File page error message incorrect when no files match search query
[TRAQ#1700] User page error message incorrect when no users match search query
Fixed bug in file search: Order by course reversed.
Changed tabs to spaces; Fixed users-edit showing incomplete files; Changed password change
Added labels for tags and description in files-edit
[TRAQ#1707] In a cookie-free browser, viewing the obfuscated class page results in a TypeError
Changed classes app to groups
Changed all instances of 'class', '_class', or 'classes' to 'group' or 'groups'
Changed all instances of class to group in all templates
Changed all instances of class to group
Removed class list from files-detail page
Moved video to left side of edit page
Added 'Lead Student' role for classes, and ability for teachers to modify them