Set coordination url for gnocchi storage
Set coordination url for gnocchi storage

Change-Id: I8107b84eaea8baf3ed664c70d4cf16537d869bcb

dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,trozet/opnfv-tht,openstack/tripleo-heat-templates,trozet/opnfv-tht,openstack/tripleo-heat-templates,trozet/opnfv-tht