Adding self.all methods for the admin, contestant, and judge classes
Adding super users as a new role
Reannotated the models
Annotating the new super user model
Removed extra declaration of role super user in the user model
Removing old rolify style classes, only need one for the roles class
Adding models for admin, contestant, judge, super_user, and volunteer
Overridding the all method for the user and subclasses of user
Annotating all of the subclasses of User
Merge pull request #123 from calblueprint/mark/add_new_roles

Adding the SuperUser, Volunteer, and WebsiteAdmin roles