Updated openstack/openstack
Project: openstack/heat  dcd27c89d67901ea6455166180b96738380ec9cf

Fix error msg invalid stack or res name

If template contains resource with name like
'res/name', we will get traceback instead of
correct error message. The same situation with
stack name: if it's incorrect, we will get
traceback.

Change-Id: I4a0e51ff649aaaad5f18f52383dab186dab54230
Closes-bug: #1397313