Updated openstack/openstack
Project: openstack/sahara  4a0df54380f663d6e5c43b7061bed9682d9b84e7

Support Nova availability zones

Extend API to support Nova availability zone selection for node groups
and node group templates.  This patch modifies the two provisioning
engines (direct and Heat) and includes changes to the DB schema.

DocImpact

Implements: blueprint support-nova-availability-zones
Change-Id: Id03848fd8d5949fa5ecbc494639fe59a70ddced3