DevStack: Keystone V3 Service/Endpoint Creation
DevStack: Keystone V3 Service/Endpoint Creation

DevStack is moving to Keystone V3 for various KS
related tasks, and the API for several methods is
changing.

Change-Id: I619a5b81f502c99b17d7597fb8fe76888f33497b

openstack/searchlight,openstack/searchlight,openstack/searchlight