Updated openstack/openstack
Project: openstack/heat  19237c6e0e006535e377453ca4cc8ffdd80de46c

Improve errors in Volume tasks

Produce more meaningful errors and warnings
when attachment/detachment/extension of the volume fails
due to wrong final volume status.

Change-Id: Icc04ecff9cc3a53585926d408f1f986212ff09b1