Display name of race in lobby.

- Moved Regatta properties and accessors to RegattaXMLReader
- StartController update now tolerates any permutation of types of XML messages

#story[782]

visualiser/src/main/java/seng302/Controllers/StartController.java

@@ -34,6 +34,7 @@ public class StartController extends Controller implements Observer {
 
     @FXML private GridPane start;
     @FXML private AnchorPane startWrapper;
+    @FXML private Label raceTitleLabel;
 
     @FXML private TableView<Boat> boatNameTable;
     @FXML private TableColumn<Boat, String> boatNameColumn;
@@ -140,15 +141,14 @@ public class StartController extends Controller implements Observer {
     @Override
     public void update(Observable o, Object arg) {
         if(o instanceof StreamedCourse) {
-            if(((StreamedCourse) o).getBoats() != null) {
+            if(((StreamedCourse) o).hasReadBoats()) {
                 initialiseTables();
             }
-            if (((StreamedCourse) o).getZonedDateTime() != null) {
-                Platform.runLater(() -> {
-                    {
-                        setRaceClock();
-                    }
-                });
+            if(((StreamedCourse)o).hasReadRegatta()) {
+                Platform.runLater(() -> raceTitleLabel.setText(((StreamedCourse)o).getRegattaName()));
+            }
+            if (((StreamedCourse) o).hasReadCourse()) {
+                Platform.runLater(() -> setRaceClock());
             }
         }
     }