Updating comments.
Merge branch 'dev' of https://github.com/gamelab/kiwi.js into dev

Conflicts:
	build/kiwi.js
	docs/classes/Kiwi.Stage.html
	docs/data.json
Handling experimental-webgl context
Merge branch 'dev' of https://github.com/gamelab/kiwi.js into dev
Rebuild