Developer credits

Git commits in Moodle x.x.x by David Saylor

commit 41536c1586c249815d4ae0a736f8b4eaaa096518
Author: David Saylor <kingdavid127@gmail.com>
Date:   Sat, 21 Sep 2019 06:05:40 +0800
Tag:    v3.7.6

MDL-52904 completion: reference context in cron query

commit 8a29ee1722fb9e52cf6b62b43b1ed93c7f75dd63
Author: David Saylor <kingdavid127@gmail.com>
Date:   Sat, 21 Sep 2019 06:05:40 +0800
Tag:    v3.8.3

MDL-52904 completion: reference context in cron query

commit 525a9da269c896d6ef271259d767bee93c8f4b93
Author: David Saylor <kingdavid127@gmail.com>
Date:   Sat, 21 Sep 2019 06:05:40 +0800
Tag:    v3.9.0-beta

MDL-52904 completion: reference context in cron query