Git commits in Moodle 3.5.2 by Jean-Michel Vedrine

commit 99566b5a602a61efbe95200a0ec588ce2dd83381
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Thu, 21 Jun 2018 22:17:33 +0800
Tag:    v3.5.2

MDL-62761 lesson: wrong deadlines on index with overrides