Developer credits
Git commits in Moodle 3.0.7 by Lee Campbell
commit 811856d0640156171c6b372634de8cfd635a424f Author: Lee Campbell <lee@learningpool.com> Date: Thu, 20 Oct 2016 23:06:04 +0800 Tag: v3.0.7 MDL-56323 core_user: User profile field default value not on signup page