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/x11/palette.h

@@ -18,7 +18,7 @@ class WXDLLIMPEXP_FWD_CORE wxPalette;
 // Palette for one display
 class wxXPalette : public wxObject
 {
-    DECLARE_DYNAMIC_CLASS(wxXPalette)
+    wxDECLARE_DYNAMIC_CLASS(wxXPalette);
 
 public:
     wxXPalette();
@@ -48,7 +48,7 @@ protected:
 
 class WXDLLIMPEXP_CORE wxPalette : public wxPaletteBase
 {
-    DECLARE_DYNAMIC_CLASS(wxPalette)
+    wxDECLARE_DYNAMIC_CLASS(wxPalette);
 
 public:
     wxPalette();