Git commits in Moodle 2.2.4 by Koen Roggemans

commit bc861f559d31133a2b105d868728b224a7b1265f
Author: Koen Roggemans <koen@roggemans.net>
Date:   Fri, 01 Jun 2012 11:36:37 +0800
Tag:    v2.2.4

MDL-29103 web service strings improvement