move scripts to bottom of body

index.html

@@ -6,14 +6,6 @@
 
   <link href="style/main.css" rel="stylesheet" type="text/css">
 
-  <script src="js/hammer.min.js"></script>
-  <script src="js/keyboard_input_manager.js"></script>
-  <script src="js/html_actuator.js"></script>
-  <script src="js/grid.js"></script>
-  <script src="js/tile.js"></script>
-  <script src="js/game_manager.js"></script>
-  <script src="js/application.js"></script>
-
   <meta name="HandheldFriendly" content="True">
   <meta name="MobileOptimized" content="320">
   <meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0, maximum-scale=1, user-scalable=no">
@@ -74,5 +66,13 @@ <h1 class="title">2048</h1>
     Created by <a href="http://gabrielecirulli.com" target="_blank">Gabriele Cirulli.</a> Based on <a href="https://itunes.apple.com/us/app/1024!/id823499224" target="_blank">1024 by Veewo Studio</a> and conceptually similar to <a href="http://asherv.com/threes/" target="_blank">Threes by Asher Vollmer.</a>
     </p>
   </div>
+
+  <script src="js/hammer.min.js"></script>
+  <script src="js/keyboard_input_manager.js"></script>
+  <script src="js/html_actuator.js"></script>
+  <script src="js/grid.js"></script>
+  <script src="js/tile.js"></script>
+  <script src="js/game_manager.js"></script>
+  <script src="js/application.js"></script>
 </body>
 </html>

js/application.js

@@ -1,6 +1,4 @@
-document.addEventListener("DOMContentLoaded", function () {
-  // Wait till the browser is ready to render the game (avoids glitches)
-  window.requestAnimationFrame(function () {
-    var manager = new GameManager(4, KeyboardInputManager, HTMLActuator);
-  });
+// Wait till the browser is ready to render the game (avoids glitches)
+window.requestAnimationFrame(function () {
+  var manager = new GameManager(4, KeyboardInputManager, HTMLActuator);
 });