removed loop and hidden checkboxes from publisher.  hidden field passes single aspect id or :all to controller

RegistrationsController#create deals with validation errors. Username, email, password now required on sign-up.

Remove RegistrationsController#new (which just called super, so it's not necessary).

Fixed pending people_controller spec; cleaned up person.search(this is ruby :D ); fyi, calling should_receive stubs that method, hence this test confusion

removed the invites controller test

FileUtils.mv with the :force option works under 1.8.7 if the source file doesn't exist, but fails under 1.9.2.

Backfilled tests where necessary to make sure changes didn't break existing code.