MAPG-4 rename GuessController to GameController

public/index.php

@@ -5,8 +5,8 @@ require '../main.php';
 // very basic routing
 $url = $_SERVER['REQUEST_URI'];
 switch($url) {
-    case '/':
-        $controller = new MapGuesser\Controller\GuessController();
+    case '/game':
+        $controller = new MapGuesser\Controller\GameController();
         break;
     case '/getNewPosition.json':
         $controller = new MapGuesser\Controller\GetNewPosition();