Ensure the needed openshift resources are set
Ensure the needed openshift resources are set

We expect the the Keepalived and HAproxy services to be deployed on the
OpenShift master nodes, let's require them in the openshift heat
environment file. This prevents an issue when the docker-ha environment
is loaded because it would redefine these resources.

Change-Id: I57a7ea854bd8db4e20af1a608a6937604c0e3bd2

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates