Git commits in Moodle 2.6.4 by Helen Foster

commit 07d9521c4985874d42a08ec77d7be5c050ad241b
Author: Helen Foster <helen@moodle.org>
Date:   Sat, 05 Jul 2014 04:43:32 +0800
Tag:    v2.6.4

MDL-46231 Merge English strings from the en_fix language pack