[AC-1563] iOS: Window titleImage is not animated well

var win2 = Ti.UI.createWindow({
	// titleControl: Ti.UI.createImageView({ image: 'appcelerator.png' }),
	titleImage: 'appcelerator.png',
	backgroundColor: '#fff'
});

var win3 = Ti.UI.createWindow({
	titleImage: 'appcelerator.png',
	backgroundColor: '#fff'
});

var win1 = Titanium.UI.iOS.createNavigationWindow({
   window: win2
});

var button = Titanium.UI.createButton({
    title: 'Open Window',
    color: "#000"
});

button.addEventListener('click', function(){
    win1.openWindow(win3);
});

win2.add(button);

var button2 = Titanium.UI.createButton({
    title: 'Close Window',
    color: "#000"
});

button2.addEventListener('click', function(){
    win1.closeWindow(win3);
});

win3.add(button2);

win1.open();