Git commits in Moodle 2.3.9 by Dan Poltawski

commit 3a986edd89ce5c365d97f053113aad9765d87fc3
Author: Dan Poltawski <dan@moodle.com>
Date:   Sat, 07 Sep 2013 09:43:40 +0800
Tag:    v2.3.9

MDL-41623 rss: clean output rss content

commit fadb971dde287859b194c2923c5c63c31a413010
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 05 Sep 2013 13:35:03 +0800
Tag:    v2.3.9

weekly release 2.3.8+

commit c65b3a048e705b2db855f05a62e44751327afb7b
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 02 Sep 2013 13:58:53 +0800
Tag:    v2.3.9

MDL-40676 tests: fix null byte test.

commit cd829c9077c807415f9a36530d279e645479603d
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 15 Aug 2013 16:40:02 +0800
Tag:    v2.3.9

weekly release 2.3.8+