Port missing R1.10 changes to mainline
Fix bug 1359451 - Way to skip setup-quantum-in-keystone.py during setup_cfgm
Fix bug 1359455 - upgrade fixes for centos 1.05 to 1.10/1.11 upgrade.
Fix bug 1360399 High Availability support for 13 node setup. Introducing contail_vip Passing contrail_vip to setup-vnc-openstack.py as neutron_url needs to be set with contrail_vip.
contrail only HA support fix, and update README and testbed_multibox_example.py
Fix bug 1365800, by passing contrail_internal_vip and not the internal_vip, this will be used to decide the use of auth host ip in the compute-server-setup.sh
Fix bug 1366043 - back up and restore config.global.js during 1.05 to 1.10 upgrade
Fix bug 1366512 - Changing the file open mode to write, If users accidently trigered setup_all before installing contrail pacckages the rabbitmq config temp file is created and in the next run it the config appended to the existing temp file.
Correcting the upgrade sanity suite path and test repo dir path

Change-Id: Ic8c58168e5706dd0579822200b9756c71d5e2340