Developer credits
Git commits in Moodle 3.0.0 by Josh Willcock
commit 51e488eaf31307319e34c8b56a85c019016c7871 Author: Josh Willcock <me@joshwillcock.co.uk> Date: Wed, 20 May 2015 20:08:19 +0800 Tag: v3.0.0-beta MDL-50287 completion: Separated slow task out from cron