remove audio preload

script/audio.js

@@ -12,15 +12,21 @@ var AudioEngine = {
     _initialized: false,
     init: function () {
         AudioEngine._initAudioContext();
+        // AudioEngine._preloadAudio(); // removed to save bandwidth
+        AudioEngine._initialized = true;
+    },
+    _preloadAudio: function () {
         // start loading music and events early
+        // ** could be used later if we specify a better set of
+        // audio files to preload -- i.e. we probably don't need to load
+        // the later villages or events audio, and esp. not the ending
         for (var key in AudioLibrary) {
-          if (
+            if (
             key.toString().indexOf('MUSIC_') > -1 ||
             key.toString().indexOf('EVENT_') > -1) {
-              AudioEngine.loadAudioFile(AudioLibrary[key]);
+                AudioEngine.loadAudioFile(AudioLibrary[key]);
             }
         }
-        AudioEngine._initialized = true;
     },
     _initAudioContext: function () {
         AudioEngine._audioContext = new (window.AudioContext || window.webkitAudioContext);