This enable cluster_user_trust which is needed to get Kubernetes
integration with Cinder and Neutron LBaaS.
Fedora images for Ocata have been updated in
https://review.openstack.org/#/c/452102/. This commit also fixes the
gate.
Change-Id: Ie95c45f84381b0d278dafa6a3227f787ece83323
(cherry picked from commit aceaa3e5f1)