title: jQuery UI Selectmenu value set dynamically does not change visible selected value
body: <p>I am using jQuery UI Selectmenu and am having trouble setting the value of a rendered selected.  It seems to change the selected option in the underlying select, but the selectmenu does not show the change.  I am calling .selectmenu('refresh', true) but nothing happens.</p>
  
  <p>Here is an example: <a href="http://jsfiddle.net/sociobit/wYBeL/">http://jsfiddle.net/sociobit/wYBeL/</a></p>