Fix KeystoneURL
Fix KeystoneURL

Currently KeystoneURL reports back the noncompute instance IP, not the proper
API endpoint for the Keystone service.

Change-Id: If121620ec549d33f81522465f72e501b7723dd7d

trozet/opnfv-tht,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,bcrochet/tripleo-heat-templates,redhat-openstack/tripleo-heat-templates,trozet/opnfv-tht,bcrochet/tripleo-heat-templates,trozet/opnfv-tht,dprince/tripleo-heat-templates,trozet/tripleo-heat-templates,wyg3958/tripleo-heat-templates,openstack/tripleo-heat-templates,rdo-management/tripleo-heat-templates,bcrochet/tripleo-heat-templates,rdo-management/tripleo-heat-templates,redhat-openstack/tripleo-heat-templates,wyg3958/tripleo-heat-templates,trozet/tripleo-heat-templates