Adds keystone parent child region sample template
Adds keystone parent child region sample template

Provides the sample template for creating parent and
child region.

implements blueprint: heat-keystone-region-resource

depends-on: Icaefe55929a1d36614ecdd042e791c1315ecf0ad

Change-Id: I87f4395506d13a16c2a4d05c620d2198d0d96463

cosminmocan/heat-templates,openstack/heat-templates,cosminmocan/heat-templates,openstack/heat-templates,cosminmocan/heat-templates,openstack/heat-templates,cosminmocan/heat-templates