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/osx/printmac.h

@@ -19,9 +19,9 @@
 
 class WXDLLIMPEXP_CORE wxMacPrinter: public wxPrinterBase
 {
-  DECLARE_DYNAMIC_CLASS(wxMacPrinter)
+    wxDECLARE_DYNAMIC_CLASS(wxMacPrinter);
 
- public:
+public:
     wxMacPrinter(wxPrintDialogData *data = NULL);
     virtual ~wxMacPrinter();
 
@@ -40,9 +40,9 @@ class WXDLLIMPEXP_CORE wxMacPrinter: public wxPrinterBase
 
 class WXDLLIMPEXP_CORE wxMacPrintPreview: public wxPrintPreviewBase
 {
-  DECLARE_CLASS(wxMacPrintPreview)
+    wxDECLARE_CLASS(wxMacPrintPreview);
 
- public:
+public:
     wxMacPrintPreview(wxPrintout *printout,
                           wxPrintout *printoutForPrinting = NULL,
                           wxPrintDialogData *data = NULL);