Git commits in Moodle 2.7.9 by Dan Marsden

commit f3e7afedb96e2637a30d9bebd5fa98d45eca5f55
Author: Dan Marsden <dan@danmarsden.com>
Date:   Wed, 17 Jun 2015 06:25:00 +0800
Tag:    v2.7.9

MDL-50614 mod_scorm: Improve validation on currentorg