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/gtk1/button.h

@@ -61,7 +61,7 @@ protected:
     virtual wxSize DoGetBestSize() const;
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxButton)
+    wxDECLARE_DYNAMIC_CLASS(wxButton);
 };
 
 #endif // __GTKBUTTONH__