Git commits in Moodle 2.5.2 by Colin Campbell

commit f931b66a26ee783a73b9f663c6927f61ea0f0e95
Author: Colin Campbell <colin@umn.edu>
Date:   Tue, 27 Aug 2013 22:22:43 +0800
Tag:    v2.5.2

MDL-40214 mod_assign: Fixed issue with custom scale being lost during restore.