Git commits in Moodle 3.1.x by Michael Spall

commit 13cba568ffdbd40f833d355f12091ca9ba88da06
Author: Michael Spall <spalmich@isu.edu>
Date:   Fri, 11 Nov 2016 01:51:31 +0800
Tag:    v3.1.4

MDL-56893 grades: Fix edit grade item when grade_report_showmin is false