Git commits in Moodle 2.9.6 by James

commit 4dde5d381e4c426b2e351907de482b95f75308e1
Author: James <james_baster@shelter.org.uk>
Date:   Tue, 08 Mar 2016 19:47:58 +0800
Tag:    v2.9.6

MDL-53383 navigation: Do not require $type in remove()