Add <leader><leader>c for editing vimrc

I was tired of having to type the path to vimrc all the time for
editing.

Amos King @adkron <amos.l.king@gmail.com>
Make <leader><leader>r run ruby and include test/ in the path

This allows for quick runs of test files.

Amos King @adkron <amos.l.king@gmail.com>