Developer credits
Git commits in Moodle 3.1.4 by John Okely
commit 149c4fc1fa702aac323eefcb0c16053cd8bba5fd Author: John Okely <john@moodle.com> Date: Fri, 02 Dec 2016 14:57:30 +0800 Tag: v3.1.4 MDL-57268 auth_db: Unit tests for deletion from a large user set
commit a43c2ab9cb509c975ce055cf397adad0e2cbe4ce Author: John Okely <john@moodle.com> Date: Fri, 02 Dec 2016 14:34:18 +0800 Tag: v3.1.4 MDL-57193 auth_db: Use a recordset and array_key_exists
commit 8b1f793c47ab89db3141fb91495f2f15a2568199 Author: John Okely <john@moodle.com> Date: Wed, 23 Nov 2016 16:07:35 +0800 Tag: v3.1.4 MDL-54921 signup: Only clear wanturl when necessary