Updated openstack/openstack
Project: openstack/heat  3c6e96ccaa2e61e92ec4bf7e7abfd25c89aebe7b

Implement snapshot listing

Add a new HTTP API to list a stack snapshots, along with the new method.

blueprint stack-snapshot
Co-Authored-By: ala.rezmerita@cloudwatt.com

Change-Id: I59eb7e035c19d2734c89a79848dec35f4468a1a0