Added NoAudioSound class that extends EventEmitter

Author: pavle-goloskokovic

src/sound/noaudio/NoAudioSound.js

@@ -0,0 +1,9 @@
+var Class = require('../../utils/Class');
+var EventEmitter = require('eventemitter3');
+var NoAudioSound = new Class({
+    Extends: EventEmitter,
+    initialize: function NoAudioSound(manager, key, config) {
+        EventEmitter.call(this);
+    }
+});
+module.exports = NoAudioSound;