With a recent commit to the LWJGL cvs by Kevin Glass, we now have controller support again. This has been done using jinput and a couple of LWJGL classes to simplify access.
I have added a notice in the LWJGL readme about the jinput usage and a link to the site. Furthermore the jinput license has been added to the 3rdparty license dir.
Thanks (to the jinput team, and kevin)!