Fix Vagrantfile for Rally repo changes
Fix Vagrantfile for Rally repo changes

Change-Id: Ifb026caa7fbbf0f7162b8400e97fe818d2783156

muraliselva10/designate,muraliselva10/designate,ramsateesh/designate,cneill/designate-testing,ramsateesh/designate,cneill/designate-testing,openstack/designate,grahamhayes/designate,grahamhayes/designate,cneill/designate-testing,grahamhayes/designate,muraliselva10/designate,openstack/designate,ramsateesh/designate,openstack/designate