[AC-1091] Tab bar has a translucent white stripe in the middle

var self = Ti.UI.createTabGroup();
var win1 = Ti.UI.createWindow({
	title : "home",
	backgroundColor : 'white'
});

var win2 = Ti.UI.createWindow({
	title : "settings",
	backgroundColor : 'white'
});

var tab1 = Ti.UI.createTab({
	title : L('home'),
	icon : '/images/KS_nav_ui.png',
	window : win1
});

var tab2 = Ti.UI.createTab({
	title : L('settings'),
	icon : '/images/KS_nav_views.png',
	window : win2
});

self.addTab(tab1);
self.addTab(tab2);

self.open();