added the Gameover function

src/main/java/pacmanGame/GameManager.java

@@ -36,10 +36,10 @@ public class GameManager {
 	   }
    }
    
-  /*  public void gameOver() {
+    public void gameOver() {
     	// todo
     }
-    */
+    
 	public void Update() {
 		if(!isPaused) {
 			visualizer.Update();