Add syntax highlighting to HTML and CSS code

Squashed commit of the following:

commit b22c81d186e0bc9b65c570f8b8a64515a25aaee8
Author: Ken Kubiak <ken@mnmlst.me>
Date:   Fri Jan 24 11:07:01 2014 -0800

    clean up files, ignore files grunt generates

commit 8ded71e750d2b37b1d3ff79de52d7c3efb366302
Author: Ken Kubiak <ken@mnmlst.me>
Date:   Thu Jan 23 17:45:13 2014 -0800

    switch from prettify.js to highlight.js

commit 3799d51248491b21f587221022b8f183b68d9ed1
Author: Ken Kubiak <ken@mnmlst.me>
Date:   Thu Jan 23 16:43:27 2014 -0800

    prettify example HTML and CSS

commit 0e2b7cf4dd5e6ce44b09071d20df6783a435db21
Author: Ken Kubiak <ken@mnmlst.me>
Date:   Wed Jan 22 14:38:13 2014 -0800

    try google prettify on code