Git commits in Moodle 3.8.x by Dan Marsden

commit c67361661277c42cf169d0cb007f86d222a4f01d
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 03 Jul 2020 07:23:17 +0800
Tag:    v3.8.6

MDL-69641 grade: fix slow query.


commit efeef8d82d93e5327abfa95c92202d5085cc194b
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 29 Apr 2020 04:19:40 +0800
Tag:    v3.8.4

MDL-68054 lib: viewhiddenactivities should be set as captype:read


commit d95f18555612c5afa2aa589badb0e6166093342c
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 29 Apr 2020 04:11:17 +0800
Tag:    v3.8.4

MDL-67497 lib: backuptargetimport should be set as captype:read


commit 22dfa6d31dcb2f5fb6f47b819fa83d739c4547ac
Author: Dan Marsden <dan@danmarsden.com>
Date:   Tue, 14 May 2019 17:55:34 +0800
Tag:    v3.8.0-beta

MDL-60347 core: debugsmtp should be a developer only setting.