Adding Cinder API resource to Pacemaker in OpenStack High Availability Guide

Modified keystone_get_token_url in pacemaker-neutron_server.crm.

Closes-Bug: #1245500

Change-Id: I28119a15df1f991c3d73332f596015f6b4eb42ff
Merge "Adding Cinder API resource to Pacemaker in OpenStack High Availability Guide"