live widget support

[jindw]

auto data drived ui programing

<div c:live-widget="test">
	<h3> this is a live widget( ${title} )</h3>
	<p c:onclick="	user.name='jindw' 	"> click to change  username: ${user.name} </p>
	<p c:onclick="	title='clicked title'	"> click to change title! </p>
</div>