Git commits in Moodle 3.8.5 by Tim Hunt

commit 33f880fba77003e27d563694edba973feec378ad
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 19 Aug 2020 22:13:10 +0800
Tag:    v3.8.5

MDL-69507 duration form field: should return an int number of seconds


commit b1341895b15d8b9d1484fe55e1e76eb26f2ae304
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Tue, 04 Aug 2020 21:00:30 +0800
Tag:    v3.8.5

MDL-69253 mod_quiz: unit test for the last commit


commit ab1545b20e8aa0e86cbdc80960ca7617854307e0
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Fri, 10 Jul 2020 05:30:18 +0800
Tag:    v3.8.5

MDL-69246 questions: allow for float issues when validating manual marks


commit a7f70278c8e20cfa75078bb1d53632dc99567c46
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Thu, 24 Oct 2019 05:27:05 +0800
Tag:    v3.8.5

MDL-67002 quiz reports: fix sorting on Oracle in the responses report