Git commits in Moodle 2.9.2 by Tim Lock

commit 5536fee5a5862fcb2e82f79cc614349bf10c6349
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Thu, 23 Jul 2015 12:01:26 +0800
Tag:    v2.9.2

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