Updated openstack/openstack
Project: openstack/keystone  33bdc7bef1a53f341b543f407e70a07dfc26d485

Update 'Configuring Services' documentation

These docs are sorely out of date; are littered with references
to tenants, and reference the soon-to-be-depreated keystone CLI.

Change-Id: Idaa360446d9a0b797044c277f224758505375650