Updated openstack/openstack
Project: openstack/tempest  3c472c9d5977cf0a12ee00f8f6d1fff6f538093f

Use auth data to fill credentials

Provide the ability to automatically fill in credentials
details e.g. IDs if names where provided.
Verified via unit test.

Partially implements: bp multi-keystone-api-version-tests

Change-Id: I505e5024754fe1b912104ce4d5d3206f4cedd6d8