Fix #2 using a more explicit quit command.

Author: GraylinKim

src/com/ggtracker/uploader/GgtrackerUploader.java

@@ -139,7 +139,7 @@ private static void setupTrayIcon() {
         }
 
 		popupMenu = new PopupMenu();
-		final MenuItem quitMenuItem = new MenuItem("Quit");
+		final MenuItem quitMenuItem = new MenuItem("Quit and Stop Uploading");
 		quitMenuItem.addActionListener(new ActionListener() {
 			public void actionPerformed( final ActionEvent event) {
 				exit();