Added SoundEvent class

Author: pavle-goloskokovic

v3/src/sound/SoundEvent.js

@@ -0,0 +1,19 @@
+var Class = require('../utils/Class');
+var Event = require('../events/Event');
+
+var SoundEvent = new Class({
+
+    Extends: Event,
+
+    initialize:
+
+        function SoundEvent (sound, type)
+        {
+            Event.call(this, type);
+
+            this.sound = sound;
+        }
+
+});
+
+module.exports = SoundEvent;