Updated openstack/openstack
Project: openstack/requirements  1ed59b3b9cc9f05409e846c5d505f19253cf5538

Add os-client-config

Starting with python-openstackclient we're intending to add this to the
client libraries. Add it here so that this is possible.

Change-Id: I801eb38114eb2fe5c773094fae6b8e20c99dfec5