Issue #2357311 by penyaskito: Fixed Follow-up to SA-CORE-2014-005 (tests don't work correctly on non-MySQL databases).
Issue #2348365 by larowlan | mtdowling: Update to Guzzle 5.
Issue #2351777 by chx, claudiu.cristea: Do not depend on event subscribers for security: Replace AccessRouteSubscriber with build-in checks.