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/msw/pen.h

@@ -72,7 +72,7 @@ protected:
     // same as FreeResource() + RealizeResource()
     bool Recreate();
 
-    DECLARE_DYNAMIC_CLASS(wxPen)
+    wxDECLARE_DYNAMIC_CLASS(wxPen);
 };
 
 #endif // _WX_PEN_H_