revised a* interface headers; categorized many functions; moved some functions to their correct header

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52499 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/aboutdlg.h

@@ -171,6 +171,9 @@ public:
 // Global functions/macros
 // ============================================================================
 
+/** @ingroup group_funcmacro_dialog */
+//@{
+
 /**
     This function shows the standard about dialog containing the information
     specified in @a info. If the current platform has a native about dialog
@@ -214,3 +217,4 @@ void wxAboutBox(const wxAboutDialogInfo& info);
 */
 void wxGenericAboutBox(const wxAboutDialogInfo& info);
 
+//@}