revert to using ; in javascript, ran into a browser issue the other day when not using them
reduced features of modernizr to a minimal set
cleaned up _config.php
updated normalize.css
refactored default css and merged in h5bp.css
removed IE7 box-sizing polyfill
added rem mixins and refactored other mixins
use rem everywhere (bad idea?)
minor code refactoring
use silverstripe stable in composer.json