Git commits in Moodle 3.9.0 by Adrian Perez

commit cec13638b6e233e57fdf9842bebc92eb96659162
Author: Adrian Perez <p.adrian@gmx.ch>
Date:   Wed, 08 Jan 2020 04:26:26 +0800
Tag:    v3.9.0-beta

MDL-67626 assign: fix view full/view summary control in IE

commit c1bce8b4c77318281a4faf05cb9a9d5c57132a9b
Author: Adrian Perez <adrian.perez@ffhs.ch>
Date:   Wed, 06 Nov 2019 17:56:56 +0800
Tag:    v3.9.0-beta

MDL-67126 assign: set completion state for all group members