Git commits in Moodle 2.4.x by Dongsheng Cai

commit 80cee539962451a06e27ac074ce4c45609b4d9ea
Author: Dongsheng Cai <dongsheng@moodle.com>
Date:   Wed, 18 Sep 2013 01:04:37 +0800
Tag:    v2.4.7

MDL-41843 Uses OAuthException in moodle\mod\lti namespace