Added and corrected a few more html makefiles,

Corrected wrong buffer size in menu code,
  Turned wxDirDlgg from functional to cool,
  Found a few esoteric bugs in wxListCtrl and
    wxTreeCtrl on the way


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3387 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure.in

@@ -2733,6 +2733,9 @@ AC_OUTPUT([
 	    samples/html/help/Makefile
 	    samples/html/printing/Makefile
 	    samples/html/test/Makefile
+	    samples/html/zip/Makefile
+	    samples/html/virtual/Makefile
+	    samples/html/widget/Makefile
 	    utils/Makefile
 	    utils/wxMMedia2/Makefile
 	    utils/wxMMedia2/lib/Makefile