MSW specific: Implementation of the own notebook control

* MSW specific: First implementation of the Notebook control to support Dark/Light color modes

* MSW specific: Set mode sizer to the Notebook control.

* MSW specific: Added icons to the Notepad control
 + There is no need to restart application after the changing of the color mode

* Fixed non-MSW build

* Updated color for SavePresetDialog
+ Added wrapper to wxMessageBox for mom-MSW platforms

src/slic3r/GUI/MsgDialog.hpp

@@ -83,7 +83,7 @@ public:
 	virtual ~WarningDialog() = default;
 };
 
-
+#ifdef _WIN32
 // Generic message dialog, used intead of wxMessageDialog
 class MessageDialog : public MsgDialog
 {
@@ -98,6 +98,19 @@ public:
 	MessageDialog &operator=(const MessageDialog&) = delete;
 	virtual ~MessageDialog() = default;
 };
+#else
+// just a wrapper to wxMessageBox to use the same code on all platforms
+class MessageDialog : public wxMessageDialog
+{
+public:
+	MessageDialog(wxWindow* parent,
+		const wxString& message,
+		const wxString& caption = wxEmptyString,
+		long style = wxOK)
+    : wxMessageDialog(parent, message, caption, style) {}
+	~MessageDialog() {}
+};
+#endif
 
 
 }