Merge pull request #47 from guowei42/update-help

remove unnecessary files

src/main/java/seedu/address/ui/MainWindow.java

@@ -34,7 +34,6 @@ public class MainWindow extends UiPart<Stage> {
     // Independent Ui parts residing in this Ui container
     private PersonListPanel personListPanel;
     private ResultDisplay resultDisplay;
-    private HelpWindow helpWindow;
 
     @FXML
     private StackPane commandBoxPlaceholder;
@@ -65,8 +64,6 @@ public MainWindow(Stage primaryStage, Logic logic) {
         setWindowDefaultSize(logic.getGuiSettings());
 
         setAccelerators();
-
-        helpWindow = new HelpWindow();
     }
 
     public Stage getPrimaryStage() {
@@ -137,19 +134,12 @@ private void setWindowDefaultSize(GuiSettings guiSettings) {
     }
 
     /**
-     * Opens the help window or focuses on it if it's already opened.
+     * Opens the help window in a new browser window
      */
     @FXML
     public void handleHelp() {
         UrlLauncher helpController = new UrlLauncher();
         helpController.launchWebPage(USERGUIDE_URL);
-        /*
-        if (!helpWindow.isShowing()) {
-            helpWindow.show();
-        } else {
-            helpWindow.focus();
-        }
-        */
     }
 
     void show() {
@@ -164,7 +154,6 @@ private void handleExit() {
         GuiSettings guiSettings = new GuiSettings(primaryStage.getWidth(), primaryStage.getHeight(),
                 (int) primaryStage.getX(), (int) primaryStage.getY());
         logic.setGuiSettings(guiSettings);
-        helpWindow.hide();
         primaryStage.hide();
     }