Git commits in Moodle 2.3.7 by Helen Foster

commit 25dba50b9ddb2ecdf4130f020e6659f38f6e12bc
Author: Helen Foster <helen@moodle.org>
Date:   Mon, 13 May 2013 17:34:34 +0800
Tag:    v2.3.7

MDL-39642 Merge English strings from the en_fix language pack