[TIMOB-4085] Tab title is not visible on the associated window's navigation bar.

var firstWindow = Ti.UI.createWindow({'title': 'First Tab'});
var secondWindow = Ti.UI.createWindow({'title': 'Second Tab'});

// when this window is shown, get some data
secondWindow.addEventListener('focus',function(){
	alert('you opened this tab');
});

var tabOne = Titanium.UI.createTab({
	title:'Tab One',
	window:firstWindow
});

var tabTwo = Ti.UI.createTab({
	title:'Tab Two',
	window:secondWindow
});

var tabGroup = Ti.UI.createTabGroup({
	tabs:[tabOne, tabTwo]
});

tabGroup.open();