Updated openstack/openstack
Project: openstack/heat  a71e8af0f8bc85c0e7b23e46dd6dd1de5228fe51

Fixed resource errors logged at default log level

* Heat was logging resource failures traceback at default log level.

* Resources failing is a normal condition, and once a resource has failed,
heat has already reached one of the permissible state ex: CREATE_FAILED,
hence heat should not log the resource failures traceback in default log
level.

* Have made necessary changes to log resource failures traceback at INFO
level.

Change-Id: Ica27cac5a94734c2db08cee2e7fe31289169fec9
Closes-Bug: #1290565