No longer using test_settings, README cleanup
Travis test tweak, readme tweak
Progress featuring anonymous and auth'd users.

* Add anonymous and authenticated permissions to Team to specify
  Permissions for AnonymousUser and authenticated users without
  Roles on the team.

* Refactor backend queries into Team.get_all_permissions()

* Rename Team 'title' field to 'name'

* Rename Membership to RoleUser