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/generic/clrpickerg.h

@@ -75,7 +75,7 @@ protected:
     static wxColourData ms_data;
 
 private:
-   DECLARE_DYNAMIC_CLASS(wxGenericColourButton)
+    wxDECLARE_DYNAMIC_CLASS(wxGenericColourButton);
 };