Git commits in Moodle 2.7.10 by Tim Lock

commit acefd2e24f20e7e10d6ce6c8da07552c0bc2a0c4
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Thu, 23 Jul 2015 12:01:26 +0800
Tag:    v2.7.10

MDL-42670 mod_assign: Fix recent activity block when blind marking is on