Git commits in Moodle 2.4.5 by Ankit Agarwal

commit cc6641f040c7c409b111c3228354bf00b161c8c3
Author: Ankit Agarwal <ankit@moodle.com>
Date:   Fri, 21 Jun 2013 10:47:38 +0800
Tag:    v2.4.5

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

commit a87523d86ec1590d8cfa1050f2dd84f9e470bf37
Author: Ankit Agarwal <ankit@moodle.com>
Date:   Mon, 29 Apr 2013 16:53:15 +0800
Tag:    v2.4.5

MDL-39363 scorm: Accept 0 as a valid score