Git commits in Moodle 2.4.x by Andrea Bicciolo

commit 704e2ecaaacf594bee69b1059cc9319e23bfa4eb
Author: Andrea Bicciolo <a.bicciolo@mtouch.it>
Date:   Fri, 05 Apr 2013 18:25:04 +0800
Tag:    v2.4.4

MDL-38480_m24 Fix for messy usage of language strings in block course overview