Add explicit msg q conf instructions to glance

As reported by user Boon Lee, the glance install instructions
for Icehouse under Centos were failing because the message
queue was not being configured.

This patch includes explicit message queue configuration, such as
in compute and networking.

Change-Id: I04a15e56a7efc3360380f9157621977a9dff9e40
Closes-Bug: 1301726
Merge "Add explicit msg q conf instructions to glance"