Updated openstack/openstack
Project: openstack/horizon  f69571b8509bf595a8a5c07b6945fcbc2a4141a4

[Sahara] Support Nova availability zones

Add an optional field in the node group template page.  It is used for
selecting the availability zone where to spawn instances.

Change-Id: Id504ec3d0d8a398f79cc45568169e67f54a6a9b8
Implements: blueprint support-nova-availability-zones