Re-Added wxStream::StreamSize()

Added in-place editting to wxTreeCtrl,
    modified wxListCtrl in-place editting
  Corrected behaviour of wxToolBar::Toggle() to not
    send messages and to report the correct state
  Removed many #include "wx/wx.h" to speed up
   compilation
 Some more compile fixes and tests.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/helphtml.cpp

@@ -27,6 +27,8 @@
     #include "wx/utils.h"
     #include "wx/list.h"
     #include "wx/intl.h"
+    #include "wx/msgdlg.h"
+    #include "wx/choicdlg.h"
 #endif
 
 #include "wx/helpbase.h"