Fixed a backend bug. In the GroupService, when a group is built (in GroupService.BuildGroup), the membership/admin status of the user is only ever set to true. Added logic to set membership/admin status to false when the user is no longer a member.
Merge remote-tracking branch 'upstream/havoc' into havoc
Removed duplicated code
Removed unnecessary debug statement
Removed unnecessary debug statements in js controller
Merge pull request #747 from hegek87/havoc

Fixed backend issue with group building.
Changed method of adding users, may be implemented differently in the future
Merge pull request #748 from hegek87/havoc

Changed method of adding users, may be implemented differently in the fu...
Fixed some issues with account.users.*
Merge pull request #749 from hegek87/havoc

Fixed some issues with account.users.*