Added port number randomization

- Servers all run on different ports, so multiple servers can run on one host
- Port is displayed in lobby

Tags: #story[1281]

src/main/java/seng302/visualiser/controllers/LobbyController.java

@@ -71,6 +71,8 @@ public class LobbyController implements Initializable {
     @FXML
     private Label roomLabel;
     @FXML
+    private Label portNumber;
+    @FXML
     private Pane speedTokenPane, handlingTokenPane, windWalkerTokenPane, bumperTokenPane, randomTokenPane;
     //---------FXML END---------//
 
@@ -85,6 +87,8 @@ public class LobbyController implements Initializable {
     @Override
     public void initialize(URL location, ResourceBundle resources) {
         roomLabel.setText("");
+        portNumber.setText("");
+
         this.playerBoats = ViewManager.getInstance().getGameClient().getAllBoatsMap();
 
         if (this.playersColor == null) {
@@ -376,4 +380,8 @@ public class LobbyController implements Initializable {
     public void setRoomCode(String roomCode) {
         roomLabel.setText("Room: " + roomCode);
     }
+
+    public void setPortNumber(String p){
+        portNumber.setText("Port: " + p);
+    }
 }