Adding overlays and associated new JS and CSSes
Merge branch 'dev' of https://github.com/ibmmxlabs/v18 into dev

Conflicts:
	build-optimized/css/application.css
	build-optimized/css/forms.css
	build-optimized/css/module.css
	build-optimized/css/social.css
	build-optimized/css/syntaxhighlighter.css
	build-optimized/css/tables.css
	build-optimized/css/w3.css
	build-optimized/css/ww-alternate-layout.css
	build-optimized/css/ww5.css
	build-optimized/css/www.css
	build-optimized/js/dyntabs.js
	build-optimized/js/forms.js
	build-optimized/js/tables.js
	build-optimized/js/www.js
	build/css/www.css
	build/js/www.js