Updated openstack/openstack
Project: openstack/heat  13d17a66a8edf76be83a7c1c7d3701915edb42fe

Use ResourceDefinition in autoscaling

Compare resources using ResourceDefinition objects (which are both
comparable and hashable, and are independent of any one template format)
instead of passing around snippets of a template.

Change-Id: I3bb8bcd2ff54a699a901aac435a56b537d99e992