Configuration for VM provision with vagrant

- We chose Vaprobash because It's has an easy configuration for
  provisioning a development environment already having a pre configured
base with Vim, tmux.
- The following version of services has ben chosed for security reasons
  (Using the latest versions available for provisioning with
Vaprobash.):

   - PHP 5.5
   - MySQL 5.6
   - Nginx 1.4.*