Developer credits
Git commits in Moodle 3.4.0 by Adam Olley
commit d12ac535125eab9fc2ff643c778b60b526b2e53a Author: Adam Olley <adam.olley@blackboard.com> Date: Tue, 03 Oct 2017 07:46:18 +0800 Tag: v3.4.0-beta MDL-60320 icons: Use PNG icons as the preview thumbnails
commit 556ceb207145ce5e798696831d787af67350553b Author: Adam Olley <adam.olley@blackboard.com> Date: Thu, 20 Apr 2017 10:11:59 +0800 Tag: v3.4.0-beta MDL-58651 logstore_database: Add ability to not send database options