added classes for client and server state machine

- a client state machine consits out of a 'ClientState' (every state of the machine) and a 'ClientStateMachine' (every state, which consists out of states), the machine starts with the ClientAutomaton
- analog for server
- started to implement logic for the server, transition from 'Lobby' to 'GameState'

Projekte/mdga/model/src/main/java/pp.mdga/game/Player.java

@@ -79,4 +79,13 @@ public BonusCard removeHandCard(BonusCard card) {
         }
         return cardToRemove;
     }
+
+    /**
+     * Returns the id of the connection to the client represented by this player.
+     *
+     * @return the id
+     */
+    public int getId() {
+        return id;
+    }
 }