Updated openstack/openstack
Project: openstack/pycadf  52727bcea3a98e72331e748ce5f9e3a111a64cd1

add federated credential

This is in support of bp audit-support-for-federation in Keystone.

Change-Id: Ibba203b4131a46fcfd7cc1e54b480b9c1392fe83
Closes-Bug: 1359495