Updated openstack/openstack
Project: openstack/sahara  a2673ba2d9a04f5400557a5d7f64fd27e6380a38

Fix for getting auth url for hadoop-swift

Changes:
* use service catalog for getting auth url
* changes in unit tests

Change-Id: Ifa4767a14515709d602c6dcded3716980a1d47ef
Closes-bug: #1393758