Updated openstack/openstack
Project: openstack/heat  9628b71ef493659621473b4865b8024f3352cb85
null
Catch exception during resolving outputs

Previously we got error when try to show incorrect outputs.
Now we catch all exceptions and return None value in this case.

Change-Id: I7a7c53c1ad8f42082c89c92cbcb52599a6c7f1f8
Closes-Bug: #1273490