Add containerized barbican environment
Add containerized barbican environment

This environment enables the barbican API environment, and in the
future, it'll enable workers and the keystone notifier as well.

Change-Id: Ic7cf086a5f1d55c8faf703a5a3b96f7f9ab805f7
Co-Authored-By: Juan Antonio Osorio Robles <d8dc07dad5d21128befc050da3d4f0626ea7fe63@redhat.com>

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