Git commits in Moodle 2.4.1 by Frederic Massart

commit 46b06737325a49046471d49c0a4db94c8ea25be6
Author: Frederic Massart <fred@moodle.com>
Date:   Fri, 14 Dec 2012 17:46:18 +0800
Tag:    v2.4.1

MDL-36456 repository: S3 handles errors in a nicer way

commit 45cff73a1b71bd6e47783ac669b3e90dedaf5a5a
Author: Frederic Massart <fred@moodle.com>
Date:   Wed, 12 Dec 2012 14:37:55 +0800
Tag:    v2.4.1

MDL-32639 files: Zipping a folder does not overwrite existing files

commit aa0cd4a7ef2329cee1c4cc2ae394a34dd37a14e7
Author: Frederic Massart <fred@moodle.com>
Date:   Tue, 06 Nov 2012 14:44:56 +0800
Tag:    v2.4.1

MDL-32639 files: Improved File Manager download and zip support