Make initial structural changes to keystoneclient in preparation to moving auth_token here from keystone. No functional change should occur from this commit (even though it did refresh a newer copy of openstack.common.setup.py, none of the newer updates are in functions called from this client) (15698)

Make initial structural changes to keystoneclient in preparation to moving auth_token here from keystone. No functional change should occur from this commit (even though it did refresh a newer copy of openstack.common.setup.py, none of the newer updates are in functions called from this client) (15698) · Gerrit Code Review