Git commits in Moodle 2.8.7 by Dan Marsden

commit d942f0311c0d4d8200b9d3244cc8847046abc32e
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 17 Jun 2015 06:17:00 +0800
Tag:    v2.8.7

MDL-50614 mod_scorm: Improve validation on currentorg