Merge remote-tracking branch 'ozan/ingest-preview-fix'
Update assign role to user box

Add some styling and functionality to select box for user roles
Merge remote-tracking branch 'nikola/sprint8-sdux85'
Fix sd-select directive and simplify code which was using it.
Added user-permissions service and sdUserPermissions directive.
Changed how permissions are registered (not via activity provider anymore).
Changed user settings page.
Changed userPermissions service and sdUserPermissions (not finished).
Removed debug code.
Added user-roles permissions.
Cleaned up.
Completed userPermissions service and sdUserPermissions directive.