bug 845923: Set up statsd and graphite under vagrant

Still wrestling a bit with the kumascript upgrade, trying to make sure everything works as I expect before trying a deploy. Part of this devolved into me yak shaving a statsd & graphite install into vagrant

If this works, you should be able to visit http://developer-local.allizom.org:8080 after a `vagrant provision` and see graphite being fed metrics and drawing graphs