Developer credits
Git merges in Moodle 2.7.15 by Andrew Nicols
commit 719293b5b06a3ef0b24e2469f5a5ced209503deb Author: Andrew Nicols <andrew@nicols.co.uk> Date: Mon, 04 Jul 2016 09:15:13 +0800 Tag: v2.7.15 Merge branch 'MDL-53019_27' of git://github.com/stronk7/moodle into MOODLE_27_STABLE