Added widget to unit tests index page.

Author: jzaefferer

tests/unit/index.html

@@ -48,6 +48,7 @@ <h1 id="qunit-header">jQuery UI Unit Tests</h1>
 <h2>Core</h2>
 <ul>
 	<li><a href="core/core.html">Core</a></li>
+	<li><a href="widget/widget.html">Widget</a></li>
 </ul>
 
 <h2>Interactions</h2>