Git merges in Moodle 3.7.8 by Andrew Nicols

commit 8f3bc4ffed3d97e22a139027d0d9a94c0379042e
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Thu, 03 Sep 2020 10:52:40 +0800
Tag:    v3.7.8

Merge branch 'MDL-69360-37' of git://github.com/NoelDeMartin/moodle into MOODLE_37_STABLE


commit 39bc7a84fda52a7b6312fbe525fc33695f4ac680
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Thu, 20 Aug 2020 08:32:08 +0800
Tag:    v3.7.8

Merge branch 'MDL-67415_37' of https://github.com/stronk7/moodle into MOODLE_37_STABLE


commit 90bd99dc73d16c0134f7efe576ac625d8bff17b0
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Thu, 20 Aug 2020 07:37:06 +0800
Tag:    v3.7.8

Merge branch 'MDL-69271_37' of https://github.com/stronk7/moodle into MOODLE_37_STABLE


commit 63630ffcc878fce548389bab31c60d432756b354
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Thu, 13 Aug 2020 09:36:35 +0800
Tag:    v3.7.8

Merge branch 'MDL-69421-37' of git://github.com/noeldemartin/moodle into MOODLE_37_STABLE