Updated various CSS and JS libraries

Updated CKEditor to 4.3.3
Updated Font Awesome to 4.0.3
Updated jQuery to 1.11.0/2.1.0
Used two versions of normalize.css (1.1.3 for IE6-7, 2.1.3 for IE8+)
Replaced chart.js with minified version
Add MIME type icons from Matthieu James's Faenza icon theme
(with a couple of extra icons for HWP and HWT)