Replace NorthArrow and ResetCamera icons

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainWindow.java

@@ -861,11 +861,13 @@ public class MainWindow extends Application {
         meshGroup = new Group();
         world.getChildren().add(meshGroup);
 
-        north = new Image(getClass().getResourceAsStream("icons/north.png"));
-        northFlip = new Image(getClass().getResourceAsStream("icons/north_flip.png"));
+        north = new Image(getClass().getResourceAsStream("icons/north.png"), 50, 50, true, true);
+        northFlip = new Image(getClass().getResourceAsStream("icons/north_flip.png"), 50, 50, true, true);
         northArrow = new ImageView(north);
         northArrow.setFitHeight(50);
         northArrow.setFitWidth(50);
+        northArrow.setX(10);
+        northArrow.setY(10);
         meshView.getChildren().add(northArrow);
         northArrow.setVisible(false);