Developer credits
Git merges in Moodle 2.9.9 by Dan Poltawski
commit bc9fc77b391f44608d5f3790981cd856adce6ea3 Author: Dan Poltawski <dan@moodle.com> Date: Thu, 10 Nov 2016 21:46:49 +0800 Tag: v2.9.9 Merge branch 'MDL-55777-29' of git://github.com/ankitagarwal/moodle into MOODLE_29_STABLE