Log message

added: mouse/touchscreen supported buttons at the bottom to the default menu
windows (Back and Home, -> Picture,Music,Video etc...)

	Modify	/trunk/PAL/CommonViewTypes.xml	diff
	Modify	/trunk/PAL/Home.xml	diff
	Modify	/trunk/PAL/ViewsCommon.xml	diff
	Add	/trunk/media/homeshortcut-NF.png	diff
	Add	/trunk/media/homeshortcut.png	diff
	Add	/trunk/media/prev-FO.png	diff
	Add	/trunk/media/prev-NF.png	diff