Developer credits
Git commits in Moodle 2.2.5 by Andrew Robert Nicols
commit 6bec1fe66f5dd09dfdcccd5ba110383ed0c6c4a5 Author: Andrew Robert Nicols <andrew.nicols@luns.net.uk> Date: Fri, 13 Jul 2012 22:01:37 +0800 Tag: v2.2.5 MDL-34322 Don't display empty navigation nodes which have no link