Git commits in Moodle 3.5.1 by Damyon Wiese

commit 26f5750319dc32407dc23b88a4bfd684ed3908e7
Author: Damyon Wiese <damyon@moodle.com>
Date:   Tue, 19 Jun 2018 10:55:26 +0800
Tag:    v3.5.1

MDL-60950 assign: Update incompatible unit test


commit d4fea9b20f2d480b19532d8e7459b1355eed0458
Author: Damyon Wiese <damyon@moodle.com>
Date:   Tue, 19 Jun 2018 10:53:51 +0800
Tag:    v3.5.1

MDL-60950 assign: Rename class


commit fa8d508f3649a24129ec772857b09c76f7f27dda
Author: Damyon Wiese <damyon@moodle.com>
Date:   Thu, 14 Jun 2018 10:47:31 +0800
Tag:    v3.5.1

MDL-60950 assign: Test for the requires grading filter


commit af280e5929633f35d97cf082773fdd4307cdf50a
Author: Damyon Wiese <damyon@moodle.com>
Date:   Wed, 13 Jun 2018 11:19:37 +0800
Tag:    v3.5.1

MDL-60950 assign: Robust filtering of grading table