Change default port to 4940

#story[956] #pair[wmu16, mra106]

src/main/java/seng302/App.java

@@ -4,6 +4,8 @@ import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
 import javafx.stage.Stage;
 import seng302.models.PolarTable;
 import seng302.models.stream.StreamParser;
@@ -32,6 +34,8 @@ public class App extends Application {
     }
 
     public static void main(String[] args) {
+        try {
+
           StreamReceiver sr = null;
 
           new ServerThread("Racevision Test Server");
@@ -64,13 +68,22 @@ public class App extends Application {
             }
           }
           //Change the StreamReceiver in this else block to change the default data source.
-        else{
+          else {
-            sr = new StreamReceiver("localhost", 4949, "RaceStream");
+            sr = new StreamReceiver("livedata.americascup.com", 4940, "RaceStream");
           }
 
           sr.start();
           StreamParser streamParser = new StreamParser("StreamParser");
           streamParser.start();
+        }
+        catch (Exception e){
+          Alert alert = new Alert(AlertType.INFORMATION);
+          alert.setTitle("Information Dialog");
+          alert.setHeaderText("Fatal Error");
+          alert.setContentText("There was an error connecting to the AC35 stream");
+
+          alert.showAndWait();
+        }
 
         launch(args);