Updated openstack/openstack
Project: openstack/heat  6dd121c44dbe1a7cfd2a4c502d1c7bac9e3e3e01

Add RPC method to snapshot stacks

This adds new methods to snapshot a stack and manipulates snapshots.

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

Change-Id: Id3dafef3c2c04cd43c3094283dceece26834a5e1