- Save spitters position to remember them on restart (RSS)

src/rss_imp.h

@@ -58,6 +58,8 @@ class RSSImp : public QWidget, public Ui::RSS{
     void selectFirstNews();
     void updateFeedNbNews(QString url);
     void on_actionMark_all_as_read_triggered();
+    void saveSlidersPosition();
+    void restoreSlidersPosition();
 
   public:
     RSSImp();