can [:show], :deletion
if Settings.status != "database_offline"
+ can [:subscribe, :unsubscribe], Changeset
can [:index, :new, :create, :show, :edit, :update, :destroy], ClientApplication
can [:index, :new, :create, :show, :edit, :update, :destroy], :oauth2_application
can [:index, :destroy], :oauth2_authorized_application