title: Easeljs addEventListener do not work when bitmap added to stage
body: <p>I do not understand, why eventlistener (copied from demo) does not work, If I add an bitmap to stage. It seems that bitmap causes problem, because if I add another circle etc. the click works fine.</p>
  
  <p>See example:</p>
  
  <pre><code>    &lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
      &lt;title&gt;EaselJS demo: Simple animation&lt;/title&gt;
      &lt;link href="../_shared/demo.css" rel="stylesheet" type="text/css"&gt;
      &lt;script src="http://code.createjs.com/easeljs-0.7.0.min.js"&gt;&lt;/script&gt;
      &lt;script&gt;    
          var stage, circle;
          var counter = 0;
          var ticounter = 0
          var images = []
          var mytext = 'kk';
          var lepakko;
          var mx = 0;
          function init() {
              stage = new createjs.Stage("demoCanvas");
  
              var circle = new createjs.Shape();
              circle.graphics.beginFill("red").drawCircle(0, 0, 50);
              circle.x = 500;
              circle.y = 500; 
  
              stage.addChild(circle);
              stage.update();
              lepakko = new createjs.Bitmap("halloween-bat.png");
  
              //Click works, if line below is commented out, why?
              //stage.addChild(lepakko);
  
  
  
              circle.addEventListener("click",circle_event);
              stage.update();
          }
  
          function circle_event(event) {
              alert("clicked");
              };
      &lt;/script&gt;
  &lt;/head&gt;
  &lt;body onLoad="init();"&gt;
      &lt;canvas id="demoCanvas" width="700" height="700"&gt;
          alternate content
      &lt;/canvas&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>