Updated openstack/openstack
Project: openstack/heat  fb1691bbc60446aae8325059eae945b8c6c36186

Add more info to ResourceUnknownStatus

Added an optional field 'result' to ResourceUnknownStatus exception
message describing the problem happend due to the said status
(defaults to 'Resource failed'). Also modified tests accordingly.

Change-Id: Id299aec598ea44cdb7d9fca5f8f580a177fef059