Git commits in Moodle 3.5.x by Ilya Tregubov

commit 9f51263a377bf9f4ad7fa6bd78e865dcc02dbe84
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Mon, 17 Jun 2019 13:37:32 +0800
Tag:    v3.5.8

MDL-65925 assign: Grade page broken if submission was deleted.

commit ed13b5bff3fc629bda81b9aafc12f414808bd2af
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Wed, 03 Apr 2019 13:47:52 +0800
Tag:    v3.5.7

MDL-65249 Session: Throw exception if number of attempts exceeded.

commit c91c235fb6b30d5e0c626b4e21cafb4f02a8cbbf
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Wed, 19 Dec 2018 10:21:04 +0800
Tag:    v3.5.6

MDL-64439 auth: Refresh $cm in require_login after pre_loginpage_hook.

commit daa7d65f3449f9ee2fba6f31d07028e281c536fd
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Wed, 21 Nov 2018 11:44:23 +0800
Tag:    v3.5.4

MDL-63710 repository: Delete orphaned file records.