Improved EET integration- switch to online/offline mode now possible.

Application starts to maximized window.

shop/shopform.h

@@ -44,6 +44,8 @@ private slots:
 
     void on_commoditySearch_textChanged(const QString &text);
 
+    void on_lblEetState_linkActivated(const QString &link);
+
 private:
     Ui::ShopForm *ui;
     QSharedPointer<Voucher> m_voucher;