Lost of fixes to "un snowflake" the setup

* Use a hashicorp Ubuntu 12.04 LTS box from https://vagrantcloud.com/
* Chef 11 hack is gone - now using the chef omnibus installer plugin
* apt repository update workaround gone - now using the chef omnibus
installer plugin
* Apart from setting ip addresses in the Vagentfiles the networking
quirks are gone
* Beaver install tweaks no longer needed
* The false Apache test errors have now gone
* No need to manually autostart kibana - that's working now
* UFW config much simpler
* GeoIP and Maps working in Kibana - woot!