Updated openstack/openstack
Project: openstack/sahara  53507a6f12a65f35aeae4c6c64ea5988e89e9c8b

Fixed bug with empty "volumes" when heat engine is used

Now if user creates cluster using heat engine, field "volumes"
contains list of volume IDs.

Change-Id: Ie53f3b2f4ce2ac4a6fb7f67422a2fb0eb474c5b5
Closes-bug: #1278908