title: [ios.cocos2d+box2d]how to disable auto-rotation?
body: <p>I have created a project with cocos2d 0.99.5 + box2d.
  When I rotate my iphone, Screen automatically rotated too.
  So the boxes Flew up into the ceiling.</p>
  
  <p>How to disable auto-rotation?</p>
  
  <p>plz </p>