Update header information.

Those three files will be part of Emacs when Org 8.0
will be merged with Emacs trunk.

Thanks to Nick Dokos for pointing this.

lisp/ox-odt.el

@@ -6,7 +6,7 @@
 ;; Keywords: outlines, hypermedia, calendar, wp
 ;; Homepage: http://orgmode.org
 
-;; This file is not part of GNU Emacs.
+;; This file is part of GNU Emacs.
 
 ;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by

lisp/ox-publish.el

@@ -5,7 +5,7 @@
 ;; Maintainer: Carsten Dominik <carsten DOT dominik AT gmail DOT com>
 ;; Keywords: hypermedia, outlines, wp
 
-;; This file is not part of GNU Emacs.
+;; This file is part of GNU Emacs.
 ;;
 ;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by

lisp/ox-texinfo.el

@@ -4,7 +4,7 @@
 ;; Author: Jonathan Leech-Pepin <jonathan.leechpepin at gmail dot com>
 ;; Keywords: outlines, hypermedia, calendar, wp
 ;;
-;; This file is not part of GNU Emacs.
+;; This file is part of GNU Emacs.
 ;;
 ;; This program is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by