title: Yii: how to format url so that the controller id is not shown
body: <p>Is it possible to hide the controller id in the URL through urlManager.</p>
  
  <p>e.g. url <a href="http://mysite.com/controller/action" rel="nofollow">http://mysite.com/controller/action</a> </p>
  
  <p>shall show up as </p>
  
  <p><a href="http://mystite.com/action" rel="nofollow">http://mystite.com/action</a></p>
  
  <p>thanks</p>