Add missing @Override annotations (#617)

vtm-theme-comparator/src/org/oscim/theme/comparator/editor/Menu.java

@@ -39,6 +39,7 @@ class Menu extends JToolBar {
 
         JButton openButton = new JButton(ICON_OPEN);
         openButton.addActionListener(new ActionListener() {
+            @Override
             public void actionPerformed(ActionEvent e) {
                 try {
                     themeLoader.selectThemeFile();

vtm-theme-comparator/src/org/oscim/theme/comparator/mapsforge/MapsforgeMapPanel.java

@@ -80,6 +80,7 @@ public class MapsforgeMapPanel extends JPanel {
                 mapView.setBounds(10, 20, getWidth() - 20, getHeight() - 30);
             }
 
+            @Override
             public void componentMoved(ComponentEvent e) {
                 super.componentMoved(e);
                 mapView.setBounds(10, 20, getWidth() - 20, getHeight() - 30);

vtm-theme-comparator/src/org/oscim/theme/comparator/vtm/MapAdapter.java

@@ -124,6 +124,7 @@ public class MapAdapter extends Map implements Map.UpdateListener {
     }
 
 
+    @Override
     public boolean handleGesture(Gesture g, MotionEvent e) {
         this.updateMap(true);
         return super.handleGesture(g, e);