Git commits in Moodle 2.5.2 by Dan Marsden

commit 5883b36a765105d5b0df9420d28cec52566a7b99
Author: Dan Marsden <dan@danmarsden.com>
Date:   Mon, 12 Aug 2013 16:58:02 +0800
Tag:    v2.5.2

MDL-41144 enrol_flatfile: ignore deleted users.


commit 353d91fa1d152be96429287ad69c1a1d3539a08a
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 05 Jul 2013 08:07:48 +0800
Tag:    v2.5.2

MDL-40512 SCORM: prevent undefined warning


commit df47d2c38ccb735b156390313676953756f11938
Author: Dan Marsden <dan@danmarsden.com>
Date:   Fri, 11 Jan 2013 16:57:32 +0800
Tag:    v2.5.2

MDL-37393 SCORM: Fix existing AICC scoes to use correct parent/child relationships