remove extravagant comment
serve remotes js from s3 #611
using element.classList.add() + .contains() throughout the Reveal code now
- now all examples render correctly again: pay heed to the **Caveats** section in the README.md: the `width: 100%` style for the HTML tag does the magic!

- added the classList shim and head.js submodules
Merge remote-tracking branch 'remotes/hakimel-original/dev'

Conflicts:
	js/reveal.js
	js/reveal.min.js