Fixed routes summary.

src/main/java/seng202/group9/GUI/MenuController.java

@@ -87,7 +87,7 @@ public class MenuController implements Initializable{
 
 	public void viewRouteSummary() {
 		try {
-			RouteSummaryController summaryController = (RouteSummaryController) parent.replaceSceneContent("route_summary.fxml");
+			RouteSummaryController summaryController = (RouteSummaryController) parent.replaceSceneContent("routes_summary.fxml");
 			summaryController.setApp(parent);
 			summaryController.loadTables();
 		} catch (Exception e) {

src/main/java/seng202/group9/GUI/RouteSummaryController.java

@@ -35,7 +35,6 @@ public class RouteSummaryController extends MenuController{
     }
 
     public void loadTables() {
-        currentData = this.parent.getCurrentDataset();
         columnAirline.setCellValueFactory(new PropertyValueFactory<Route, String>("Airline"));
         columnDepart.setCellValueFactory(new PropertyValueFactory<Route, String>("DepartureAirport"));
         columnArrive.setCellValueFactory(new PropertyValueFactory<Route, String>("ArrivalAirport"));