fixes #2430 - undefined method gettext_translation_for_attribute_name
Added rails and dependencies to comp
fixes #2428 - a workaround for an issue with SETTINGS[:libvirt] not being properly initialized in rpm environments
fixes #2433 - fix orchestration respond_to? test to work on ruby 2.0
fixes #2429 - change OpenID storage to be permanent

Also fallback to form login when Signo fails and log a warning.
Make Signo SSO backend unavailable for API.