To enable contributed extensions to org-mode, simply add
"/usr/share/org-mode/lisp" to your load-path, for instance in your
.emacs with:

  (setq load-path (cons "/usr/share/org-mode/lisp" load-path))

 -- Sebastien Delafond <seb@debian.org>, Thu,  1 Oct 2009 11:11:26 +0200
