Exclude app/assets dir while graping Rails project
Add 2048 console game!

Web based game can be found here:
http://gabrielecirulli.github.io/2048/
Add kerl to bin dir

More informations about kerl can be found here:
https://github.com/spawngrid/kerl
Make kerl to use autoconf by default
Remvoe duplication
Remove gems.github.com from list of gem sources