refs #312 navigation bars, contributes also to #347

* allow to set/unset frameless mode in CDockWidget
* adjusted context menus
* adjusted style sheets
* ini settings for margins
* hidden info area to host floating widgets only visible when floating (allows to CDockInfoArea widgets)
* made some private slots non-virtual

src/swiftgui_standard/swiftguistd.h

@@ -58,7 +58,8 @@ public:
     {
         MainPageInfoArea = 0,
         MainPageLogin  = 1,
-        MainPageInternals = 2
+        MainPageInternals = 2,
+        MainPageInvisible = 3
     };
 
     //! Constructor
@@ -121,9 +122,6 @@ private:
     //! Init GUI signals
     void initGuiSignals();
 
-    //! Init the navigstion bars
-    void initNavigationBars();
-
     //! Init dynamic menus
     void initDynamicMenus();
 
@@ -240,13 +238,6 @@ private slots:
 
     //! Whole main info area floating
     void ps_onChangedMainInfoAreaFloating(bool floating);
-
-    //! Toggle horizontal navigator
-    void ps_toggleNavigatorHorizontal();
-
-    //! Toggle vertical navigator
-    void ps_toggleNavigatorVertical();
-
 };
 
 #pragma pop_macro("interface")