Developer credits
Git commits in Moodle 2.8.x by Joseph Rezeau
commit cd16f43ba1bb6047b3ea49a29799593df36b237e Author: Joseph Rezeau <moodle@rezeau.org> Date: Sat, 06 Dec 2014 00:36:41 +0800 Tag: v2.8.2 MDL-36673 mod_lesson: slideshow mode not working