Updated openstack/openstack
Project: openstack/cinder  8579d998e69617757c7bf3029559c8b21661dd44

ProphetStor driver consistency group support

Implement ProphetStor driver support for the new consistency group
feature in Cinder Kilo.

Change-Id: Id2f7a93cabcf4f54215a035b3ad8d30ea5439297
Implements: blueprint prophetstor-consistency-group