Git commits in Moodle 3.1.x by wehr

commit 054a23264c88fecd6643a8b4caf1582256a686aa
Author: wehr <mariowehr@gmx.at>
Date:   Tue, 31 Jan 2017 01:31:51 +0800
Tag:    v3.1.5

MDL-57592 assignment: Adds filtering of assignment name in grader view