Add room list div.
	modified:   WebContent/index.jsp
	modified:   WebContent/index_body.jsp
	new file:   WebContent/js/commonJs.js
	modified:   WebContent/js/index/init.js
	new file:   WebContent/js/index/roomListJs.js
	modified:   WebContent/template/common-js-css.jsp
	modified:   WebContent/template/header.jsp