1. Adding contrail-hamon upstart script to start the galera cluster and haproxy monitoring scripts.
2. Moving supervisord config files fron contrail-vrouter-init to contrail-openstack-vrouter
3. Fix supervisor-openstack upstart to chwon cinder dir only if cinder is installed.
4. fix bug 1350184 - two instances of nova-compute are running
Change-Id: I89b013340354af68b9548bfe57fee66f1f299303