update vagrant environment
update vagrant environment

After some recent changes to db/mq endpoints, we need to slightly change
the attributes we're overriding in the environment for the vagrant run
to work

Change-Id: I98279acb94fdfe349d19aa3fb99830f83c9d2d45
Implements: blueprint reference-havana-vagrant

AlphaStaxLLC/openstack-chef-repo,apealive-cookbooks/openstack-chef-repo,csibbitt/openstack-chef-repo,kevinlowrie/openstack-chef-repo,AlphaStaxLLC/openstack-chef-repo,mattray/openstack-chef-repo,apealive-cookbooks/openstack-chef-repo,csibbitt/openstack-chef-repo,sathvikm/openstack,mohitsethi/openstack-chef-repo,Kmotiko/openstack-chef-repo,Kmotiko/openstack-chef-repo,mbednarz/chef-repo,mancdaz/openstack-chef-repo,kevinlowrie/openstack-chef-repo,mohitsethi/openstack-chef-repo,zxcq/chef-openstack-icehouse-ubuntu-14.04,sathvikm/openstack