anchor.diff:  
   /**
    * Represents a simple Button.
  - * 
  + *
    * Example:
    *      Button button = new Button(this, "resourceName", "buttonText")
    *        ..setCoordinates(300, 400)
  
positive.code: 
    /**
     * Create a Button from [StageXL.BitmapData ].
     * 
     * * stateContext: current state you are in
     * * text: label of the button
     * * addToWorld: add the button to the world?
  
negative.code: 
    /**
     * Create a Button object from an image.
     *
     * * resourceName: name of the image in the resourcesManager
     */
    Button.image(State stateContext, String resourceName, String text,
  