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/tarstrm.h

@@ -142,7 +142,7 @@ private:
 
     friend class wxTarInputStream;
 
-    DECLARE_DYNAMIC_CLASS(wxTarEntry)
+    wxDECLARE_DYNAMIC_CLASS(wxTarEntry);
 };
 
 
@@ -344,7 +344,7 @@ protected:
         { return NewStream(stream); }
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxTarClassFactory)
+    wxDECLARE_DYNAMIC_CLASS(wxTarClassFactory);
 };