Git commits in Moodle 2.3.x by Thijs Kinkhorst

commit 2093a0c3c325ffa07238b08250a8dbe2d0a517cd
Author: Thijs Kinkhorst <thijs@uvt.nl>
Date:   Mon, 14 Oct 2013 10:10:11 +0800
Tag:    v2.3.10

MDL-36818 cas: improve SSL validation