Adding Rackspace automation framework, CloudCAFE.

Change-Id: If6f2cc8d5bcfb4d6c8b5c721c898885928734022
Reviewed-on: https://review.openstack.org/25870
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins