Set `Vagrantfile API version` as a variable
Add Vagrantfile's settings to share with NFS
Add settings for VirtualBox (NAT network)
Add Vagrantfile's settings to debug Chef cookbooks
Move `development` role file to `default`
Update Vagrantfile to use `default` role
Set Vagrantfile as a base template
Ignore (git) Vagrantfile
Remove obsolete comments in Vagrantfile
Define the version of chef to install in the guest
Move Berksfile as a base template for a core system
Rename role file from `default` to `core`
Update role name after file rename
Ignore (git) Berksfile
Update `README` with instructions to run Vagrant
Merge branch 'update' into core
Add configuration files for a LAMP server
Add configuration files for a Symfony server
Update core's run list
Merge branch 'server-type' into core