Rewrite fixture and corresponding tests.

o An attempt to unbreak the test run
o Quick guess that the .rb extension might cause the problem
Virtual Development Box for graveio

o Provide initial Vagrant configuration to set up
  a Ubuntu 12.04. Box to simplify the process of
  getting graveio running and tested.
Chef Recipes for tasks in "/etc"

o Add chef recipe for customisation of "/etc"
o Provide template of "/etc/motd.tail" to adapt motd(5)
o Enable Port Forwarding to Port 3000
Opscode apt ensures APT cache is up to date.

* Bring in Opscode Cookbook apt as a Git submodule
  o Add recipe "apt" to provison in Vagrantfile
  o Switch to v1.7.0 as we are running Chef 10.14.2
Merge branch 'master' of github.com:h5b/graveio into graveio-box
Graveio needs a couple of packages to be installed.

o Add recipe "graveio" installing package dependencies of graveio
o Add recipe "proxy" providing proxy template for apt.conf(5) in
  case we are behind a proxy