Added Pop-up menus.

Hunted down bug in dnd
  Changed widget, that wxWin connects to in certain
  case (in controls, where m_widget is not the connect
  widget, such as list control and text control)
  Compile fixes all over


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@486 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/mdi.cpp

@@ -324,7 +324,7 @@ void wxMDIClientWindow::AddChild( wxWindow *child )
 {
   if (!child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
   {
-     wxFAIL_MSG(_("wxNotebook::AddChild: Child has to be wxMDIChildFrame"));
+     wxFAIL_MSG("wxNotebook::AddChild: Child has to be wxMDIChildFrame");
      return;
   };