Updated openstack/openstack
Project: openstack/keystone  1e84251c87891ebaebe01c21bfcedb1cb51b0f22
null
Use oslo db.sqlalchemy.session.EngineFacade.from_config

Rather than passing the CONF dict to EngineFacade, Keystone can
use the new from_config factory function.

Change-Id: I60f30254431b512988a0f1811b3c119207b91ad7