Updated openstack/openstack
Project: openstack/python-openstackclient  3f8b4d2238e6a423695ed3b3305cd9f9bbb51336

Command object docs: catalog, credentials, endpoint, region, token

catalog
credentials
endpoint
region
token

Change-Id: Icd7ec7fd207488b2ceb0280722aa9a684aeeac28