Create ansible provisioning setup

Ansible is a new up-and-comming provisioning system (http://ansible.cc).
It makes similar guarantees to Chef or Puppet (such as idempotentcey)
but do all of their configuration in a sexy yaml format.

The current setup integrates will with vagrant. The basic steps to
get a working StateRep.me installation boil down to:

cp playbooks/ansible_vars.example.yml playbooks/ansible_vars.yml
$EDITOR playbooks/ansible_vars.yml

vagrant up
scripts/vagrant-ansible

And then head on over to: localhost:6060 and you're golden.