Updated openstack/openstack
Project: openstack/keystone  2b8e58abf25ea8038287100cf086a6531788d2c2

Fix version links to docs.openstack.org

Remove PDF link.
Replace deep html links with links to the docs.openstack.org site.

Change-Id: Ic7c2218bf43a221e8d753a910fdfb2243851214d
Closes-Bug: #1313127