First commit: Added Vagrantfile

Since we are at it, we can define: `ex: ft=ruby et ts=2 sw=2:` 

1. `ft=ruby` Defines file type as `ruby`.
1. `et` Expands tabs to spaces.
1. `ts` Defines tab stop to 2 characters.
1. `sw` Defines shift width (indentation) to 2 characters.