Git commits in Moodle 2.5.2 by Jonathon Fowler

commit 2cd5d3c03ce66015d9eab046303768a99dc75b7b
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 27 Mar 2013 15:08:37 +0800
Tag:    v2.5.2

MDL-32191 navigation: Add keys to module and block settings nav nodes