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/choice.h

@@ -104,7 +104,7 @@ public:
     int m_selection_hack;
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxChoice)
+    wxDECLARE_DYNAMIC_CLASS(wxChoice);
 };