- COSMETIC: Redesigned program preferences

- COSMETIC: Updated icons set

src/options_imp.h

@@ -155,6 +155,7 @@ class options_imp : public QDialog, private Ui::Dialog {
     void disableSystrayOptions();
     void setSystrayOptionsState(int checkBoxValue);
     void enableWebUi(bool checkBoxValue);
+    void changePage(QListWidgetItem*, QListWidgetItem*);
 
   public slots:
     void setLocale(QString locale);