Updated openstack/openstack
Project: openstack/sahara  d15ef1f60654315d9c27c1b6d2754fa3b1c4e74a

Support Cinder availability zones

Add a new 'volumes_availability_zone' option for node groups, that
enables creation of volumes in a specific Cinder AZ.

Change-Id: Ia17d1628c7d5d06f0924edc8f92a0d26fff143e0
Implements: blueprint support-cinder-availability-zones