Updated openstack/openstack
Project: openstack/keystone  667f8f2e5c57999e77cf0d57c2bc7f6c5032b426
null
Updated Keystone development install instructions for Ubuntu

Closes-bug:#1205943

Change-Id: I5d18d543126ac4cf8e4fa4d3b2d1f37f9c87e6f8