Git commits in Moodle 2.9.6 by Mark Johnson

commit e93887010107562e4d60d7e206e2f1639c2047d6
Author: Mark Johnson <mark.johnson@open.ac.uk>
Date:   Tue, 29 Mar 2016 18:43:26 +0800
Tag:    v2.9.6

MDL-53007 block_navigation: Set width of item text to prevent overflow