[TIMOB-19952] Windows: Image support for Ti.UI.Button

var window = Ti.UI.createWindow({
    backgroundColor: 'green'
});

var view = Ti.UI.createView({
    backgroundColor: 'red',
    width: '100%',
    height: 150
});

var button = Ti.UI.createButton({ title: 'Bar bar bar' });
//button.image = "http://www.appcelerator.com/wp-content/themes/appc-rwd/assets/media/images/logo.png";
button.image = Ti.Filesystem.getFile('Logo.png').read();

view.add(button);

window.add(view);
window.open();