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/gtk/colour.h

@@ -53,7 +53,7 @@ protected:
 
     virtual bool FromString(const wxString& str) wxOVERRIDE;
 
-    DECLARE_DYNAMIC_CLASS(wxColour)
+    wxDECLARE_DYNAMIC_CLASS(wxColour);
 };
 
 #endif // _WX_GTK_COLOUR_H_