Git commits in Moodle 2.3.8 by Ankit Agarwal

commit d306f96750386a239d8b05a65d640a2ad825b044
Author: Ankit Agarwal <ankit@moodle.com>
Date:   Fri, 21 Jun 2013 10:47:38 +0800
Tag:    v2.3.8

MDL-40250 phpunit: Add unit tests for core_files_external::upload()

commit 56e69c618818788b7b635b883fb65cef3b57c1fb
Author: Ankit Agarwal <ankit@moodle.com>
Date:   Mon, 29 Apr 2013 16:53:15 +0800
Tag:    v2.3.8

MDL-39363 scorm: Accept 0 as a valid score