0.3: Update stream example

Author: guo-yu

examples/stream.js

@@ -6,19 +6,13 @@ var player = new Player('http://stream.srg-ssr.ch/m/rsp/mp3_128', {
   stream: true
 });
 
-player.play(function(err) {
-  debug('All songs play end');
-});
+player.play();
 
 player.on('playing', function(song) {
   debug('Playing... ');
   debug(song);
 });
 
-player.on('playend', function(song) {
-  debug('Playend');
-});
-
 player.on('error', function(err) {
   debug('Opps...!')
   debug(err);