forgot the at symbol for user email addresses when saving media obj
DragonNet button in admin master
better logic handling in media controller; allows RestrictedGroup to use "add new media" button
in_restricted_group moved to helpers, admin master does not display comments or podcasts buttons
Error checking for integrity error in auth middleware
admin media edit form finally works so that restricted group can use it normally, uses container_attrs and {class: hidden} to hide it rather than disable it
whitespace fixes from previous commit
Thumbnails should be at the top of the edit.html in admin
Navigational improvements for users in restricted_group