Input enabled_services in all-nodes-config as comma_delimited_list
Input enabled_services in all-nodes-config as comma_delimited_list

The bug that prevented it from being a comma delimited list was fixed.

Change-Id: Ia5296140763849bdeac481c812f70a42d907c214

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