Updated layouts, responsive menu, tidying unused files
	modified:   config.php
	new file:   javascript/jquery-1.7.2.min.js
	new file:   javascript/menubar.js
	modified:   layout/generalflex.php
	new file:   pix/downArrow.png
	new file:   renderers.php
	modified:   style/core.css
	modified:   style/flex2.css
	deleted:    layout/general.php
	deleted:    style/adapted.css
	deleted:    style/colours.css
	deleted:    style/flex.css
	deleted:    style/pure.css
Removing old files
	deleted:    layout/general.php
	deleted:    style/adapted.css
	deleted:    style/colours.css
	deleted:    style/flex.css
	deleted:    style/pure.css