Updated openstack/openstack
Project: openstack/keystone  2ba7d67c34c10176e4241b6d78352eb6e2b4767d

Rename _handle_saml2_tokens() method

Since federation is going to support other protocols than saml2,
renaming the _handle_saml2_tokens() method to _handle_federation_tokens()

Change-Id: I9682c41c3982838dcb280c4a093d1123bc740090
Closes-Bug: 1389583