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/datectrl.h

@@ -103,7 +103,7 @@ public:
         }
 
     private:
-        DECLARE_DYNAMIC_CLASS_NO_COPY(wxDatePickerCtrl)
+        wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxDatePickerCtrl);
     };
 #endif