Added skeleton for Server Connection structure changes.

Added Data and Event classes for Data saving on the server.
Added DataParser class for translating requests to data.
Added ServerData package

core/src/netwerkprog/game/server/Server.java

@@ -8,7 +8,6 @@ public class Server {
     private SessionController sessionController;
     private Thread sessionThread;
     private HashMap<String, Thread> gameThreads;
-    public static final int PORT = 8000;
 
     public void start() {
         this.sessionController = new SessionController();