Matt Jankowski 268dd32d76 Auth sign out ()
* Add a spec for signing out

* Add spec showing that suspended user gets a 403 forbidden on sign out

* Allow suspended account users to sign out
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confirmations_controller.rb Fix rubocop issues, introduce usage of frozen literal to improve performance
passwords_controller.rb Fix rubocop issues, introduce usage of frozen literal to improve performance
registrations_controller.rb Assign user locale on signup ()
sessions_controller.rb Auth sign out ()