Finished user groups
1) ADD wysiwig editor to text area
2) UserGroups
2.1) index - filter results based on roles and ownership + paging
2.2) FIX create - add owner
2.3) FIX user_in - authorization
2.4) FIX groups user is in - authorization + paging
2.5) ADD add_user - only user I have relation to I can add to group
2.6) ADD remove_user
3) ADD user group visibility helper - labelize
4) ADD UserGroup
- registered_visible - return all Groups visible to public and registered
- groups_user_is_in
- in_relation?
5) FIX date - changed to datetime to hold also a time
6) EDIT user profile
- show avatar
- show basic info
- hot links related to user
7) FIX groups visible to all users in menu
8) FIX habtm join table between user <-> user_group
9) ADD tests for UserGroups