Developer credits
Git commits in Moodle 2.9.6 by Henning Bostelmann
commit 2779372c17b41bc93dfbc144934e1cd3de83c662 Author: Henning Bostelmann <henning.bostelmann@york.ac.uk> Date: Tue, 12 Apr 2016 02:45:26 +0800 Tag: v2.9.6 MDL-53780 mod_assign: Remove teachers from submission group members