Updated openstack/openstack
Project: openstack/keystone  875066e6ec58f964e2dd3a0322c68215379c7f9c

Update the CLI examples to also use openstackclient

In the CLI example section, use openstackclient examples and
keystoneclient examples.

Change-Id: Ia13730fbac5900998993c56d9a792b392a1ba3ac