Git commits in Moodle x.x.x by Will O'Brien

commit 163750f3e5e523ccc0ecbe45f2e576598bdcc8ab
Author: Will O'Brien <willobrien00@gmail.com>
Date:   Mon, 26 Aug 2019 08:17:44 +0800
Tag:    v3.8.0-beta

MDL-66488 mod_assign: make submission comments textarea expandable