Developer credits
Git commits in Moodle 2.9.3 by Ferenc Lengyel
commit e5cd1282a11573e5a8ff0baabd031859ed74a06e Author: Ferenc Lengyel <lengyelke@gmail.com> Date: Mon, 14 Sep 2015 20:23:51 +0800 Tag: v2.9.3 MDL-51402 quiz: notification emails should respect grouping