Git merges in Moodle 2.4.9 by Eloy Lafuente (stronk7)

commit b268d4a05cb223bab37d958d8572c193d4420939
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Thu, 20 Feb 2014 19:43:10 +0800
Tag:    v2.4.9

Merge branch 'install_24_STABLE' of git://git.moodle.org/moodle-install into MOODLE_24_STABLE