Refactored Game following the footprints of Socc

such Singleton, very software techniques, much patterns

cicaprojekt/PlayerBase.java

@@ -1,7 +1,6 @@
 package cicaprojekt;
 
 public class PlayerBase implements Destroyable {
-    protected Game game;
     protected Tile currentTile;
     protected Direction facingDirection;
     protected String name;