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/gtk/calctrl.h

@@ -62,7 +62,7 @@ private:
     // the control while a handler for day-selected is running.
     wxDateTime m_selectedDate;
 
-    DECLARE_DYNAMIC_CLASS(wxGtkCalendarCtrl)
+    wxDECLARE_DYNAMIC_CLASS(wxGtkCalendarCtrl);
     wxDECLARE_NO_COPY_CLASS(wxGtkCalendarCtrl);
 };