Woff 2.0 support & Fix WOFF 1.0 mime-type

- [fix] WOFF mime type from `application/x-font-woff` to `application/font-woff` (see http://www.w3.org/TR/WOFF/#appendix-b)
- [new] WOFF 2.0 Support

![ ](http://gifs.joelglovier.com/excited/wooo.gif)