Updated openstack/openstack
Project: openstack/heat  07bc99ea028fc2894bf11d9dc5878f5c11ab409e

Do static template validation for nested stacks

Currently we don't fail fast, even if there is an error
in the nested template which should fail validation.
This change to recurse and do static template validation
for nested stack resources.

Change-Id: I572ded640582419e0888e4b9f8eed3a3432d6121
Closes-Bug: #1388140
Closes-Bug: #1389104