fixed page reload bug for windows OS

GameManipulator.js

@@ -208,7 +208,7 @@ GameManipulator.startNewGame = function (next) {
     // Press space to begin game (repetidelly)
     _startKeyInterval = setInterval(function (){
       // Due to dino slowly gliding over the screen after multiple restarts, its better to just reload the page
-      robot.keyTap('r','command');
+      GameManipulator.reloadPage();
       setTimeout(function() {
         // Once reloaded we wait 0.5sec for it to let us start the game with a space.
           robot.keyTap(' ');
@@ -228,6 +228,19 @@ GameManipulator.startNewGame = function (next) {
 
 }
 
+// reload the page
+GameManipulator.reloadPage = function ()
+{
+  // retrieves platform
+  var platform = process.platform;
+
+  if(/^win/.test(process.platform)) {
+    robot.keyTap('r','control');
+  } else if(/^darwin/.test(process.platform)) {
+    robot.keyTap('r','command');
+  }
+}
+
 
 // Compute points based on sensors
 //