More robust matching on image name.
More robust matching on image name.

annegentle/developer.rackspace.com,annegentle/developer.rackspace.com,rackerlabs/developer.rackspace.com,rackerlabs/developer.rackspace.com,annegentle/developer.rackspace.com,rackerlabs/developer.rackspace.com,annegentle/developer.rackspace.com,annegentle/developer.rackspace.com,annegentle/developer.rackspace.com,rackerlabs/developer.rackspace.com,rackerlabs/developer.rackspace.com,rackerlabs/developer.rackspace.com