Git commits in Moodle 2.9.0 by Heiko Schach

commit 000f1488f0bb32c84f5a9dc0d0bebe94361a3833
Author: Heiko Schach <heiko.schach@helsinki.fi>
Date:   Fri, 21 Nov 2014 15:40:45 +0800
Tag:    v2.9.0-beta

MDL-48036 course: change multilang cache key