Basic vim bindings

[tomphp]

This is not meant to be a complete implementation of VIM bindings, I just did this so I could start using php-refactor-browser in VIM right now and I thought I'd share it in case others want to try too.

[beberlei]

This is pretty awesome, however i am wondering if its necessary to reload the buffer after executing the command.

[tomphp]

@beberlei The way it works at the moment (at least in my version of vim) is it's runs the command the a message pops up saying the files content has changed and press L to load it into the buffer. If there's a way to do this automatically that would be fantastic but I have limited experience when it comes to vim development. Is this a simple matter of running :edit? I'll give it a try.

This is by no means complete, it's needs to handle errors from refactor.phar and I couldn't get extract method to leave visual mode but I wanted vim functionality now and since I got something working figured others might like it to...so any help and suggestions are fantistic!

[beberlei]

Its a very good start, thanks for this contribution!