title: UIViewController is not receiving touchesBegan message
body: <p>I have a UIScrollView in my UIViewController. I need to detect ANY kind of touch on it, and then do something. What else do I need?</p>
  
  <pre><code>- (BOOL)canBecomeFirstResponder {
      return YES;
  }
  
  - (void)viewDidAppear:(BOOL)animated {
      [super viewDidAppear:animated];
      [self becomeFirstResponder];
  }
  
  -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
  {
      NSLog(@"TOUCHED"); // never happens
      for (UITouch *touch in touches) {
          if ( [touch view] == self.myScrollView)
          {
              //do something
          }
      } 
  }
  </code></pre>