[TIMOB-13955] iOS: ImageView returns empty blob when "no-cache" is present in HTTP response headers

[INFO] :   Image loaded!, blob length: 0

var win = Ti.UI.createWindow({
	backgroundColor : 'white'
});

var imageView = Ti.UI.createImageView({
	image : 'http://www.voltimum.es/imageDisplay.php?w=265&h=265&f=./files/es/flipbooks/others/G/20130522271201301181170.jpg'
});

imageView.addEventListener('load', function(e) {
	Ti.API.info('Image loaded! blob length: ' + e.source.toBlob().length);
});

win.add(imageView);

win.open();