[TIMOB-4665] iPhone: AudioPlayer does not play streaming media

var audio_stream = Titanium.Media.createAudioPlayer();
var playing = false;
var now_playing_data_timer = undefined;
var tabGroup = Ti.UI.createTabGroup();
  
var win = Titanium.UI.createWindow({  
    title:'Listen',
    backgroundColor:'#000'
});
var tab = Titanium.UI.createTab({  
   	icon:'KS_nav_views.png',
   	title:'Listen',
   	window:win
});
var text = Titanium.UI.createLabel({
  	color:'blue',
  	text:'Song:',
  	width:'auto',
  	top: 0,
  	left:0
});  
var imageview = Titanium.UI.createImageView({
  	image:"http://2.bp.blogspot.com/_ZqpzRV9D624/TNnn-FLSgmI/AAAAAAAAAAs/8ca4flYJKhg/S350/logo%2Bde%2Bmusica%2B1.png",
  	height:100,
  	width:110,
  	top:150,
  	backgroundColor:'white'
});
var play_button = Titanium.UI.createButton({
    image: "playbutton.png",
    width: 110,
    height: 80,
    top: 10,
    title:"Play",
    color: "red"
});
var play_stream = function(stream_url){
   	playing = true;
    audio_stream.setUrl(stream_url);
    audio_stream.start();
};
var stop_stream = function(){
    playing = false;
    audio_stream.stop();
};
win.addEventListener('open', function(e) {
	init();
});  
var init = function() {
	win.add(text);
    win.add(play_button);
    win.add(imageview);
}; 
play_button.addEventListener('click',function()
{
    var xhr = Ti.Network.createHTTPClient();
 	var stream_url = 'http://yp.shoutcast.com/sbin/tunein-station.pls?id=1268400';

	xhr.onload = function(e) {
		playing = true;
  		audio_stream.setUrl(stream_url);
    	audio_stream.start();
	};
 
	xhr.onerror = function(e) {
		alert(e.error);
	};
 	xhr.setTimeout(10000);
	xhr.open('GET', stream_url);
	xhr.file = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory,'tunein-station.pls');
	xhr.send(); 	
});
tabGroup.addTab(tab);
tabGroup.open();