Add __unicode__ to models.
Add __unicode__ to models.

mozilla/mozmoderator,johngian/mozmoderator,akatsoulas/mozmoderator,akatsoulas/mozmoderator,johngian/mozmoderator,mozilla/mozmoderator,akatsoulas/mozmoderator,mozilla/mozmoderator,johngian/mozmoderator,johngian/mozmoderator