Use wx-prefixed macros throughout the repository.

Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.

include/wx/menu.h

@@ -429,8 +429,8 @@ public:
 private:
     wxMenu *m_menu;
     wxString m_title;
-    
-    DECLARE_DYNAMIC_CLASS(wxMenuInfoHelper)
+
+    wxDECLARE_DYNAMIC_CLASS(wxMenuInfoHelper);
 };
 
 WX_DECLARE_EXPORTED_LIST(wxMenuInfoHelper, wxMenuInfoHelperList );