Guest Post - Open Football Data - World Cup Brazil 2014 Ed.

@rgrp    As promised the guest post about the Open Football Project. Feel free to edit as you please. Note: includes a couple of images (stored in /img/posts/openfootball/*).  Thanks for your support. Keep it up. Cheers.  

/cc @gr33ndata @hannesgassert  (Also thanks for your support.)