Fixed camp settings saving. Added about messagebox. Methods IGridForm::handleNewRecord and IGridForm::handleEditRecord are virtual now.

application/mainwindow.h

@@ -39,6 +39,10 @@ private slots:
 
     void on_actionCountry_register_triggered();
 
+    void on_actionAbout_Qt_triggered();
+
+    void on_actionAbout_triggered();
+
 private:
     Ui::MainWindow *ui;
     LoginDialog *m_loginDialog;