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/motif/choice.h

@@ -23,7 +23,7 @@
 // Choice item
 class WXDLLIMPEXP_CORE wxChoice: public wxChoiceBase
 {
-    DECLARE_DYNAMIC_CLASS(wxChoice)
+    wxDECLARE_DYNAMIC_CLASS(wxChoice);
 
 public:
     wxChoice();