Updated dependencies
Fixed: submenu links shouldn't have border-bottom
Fixed: wrong highlight language
Updated: DS files API
Upgraded: docpad
Added: variables meaning in install command
Fixed: jade 'script' tags
Removed: dead code
Removed: file that had been added by mistake
Changed: title to be coherent with DS API cookbook
Merge pull request #9 from jsilvestre/master

Fixed: css + upgrade dependencies