Git commits in Moodle 3.7.x by Ilya Tregubov

commit 91c036db6fabaad9d7bd32d8f3d64ece1cda2298
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Mon, 17 Jun 2019 13:37:32 +0800
Tag:    v3.7.2

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

commit dbed8bdb861a5c070c1baf3d8bbd30b07b32f207
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Tue, 23 Apr 2019 09:40:17 +0800
Tag:    v3.7.0-rc2

MDL-65393 core: Make session history cleanup more aggressive.

commit 61373c843d88544e2f96b598cb570c2dff250784
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Wed, 03 Apr 2019 13:47:52 +0800
Tag:    v3.7.1

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

commit 5ebbe1c3eec2bd3f37604627f3d4f53f5c899f48
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Wed, 19 Dec 2018 10:21:04 +0800
Tag:    v3.7.0-beta

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

commit f408e1f8887873305f4cad789170b093070002d9
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Tue, 20 Nov 2018 08:31:27 +0800
Tag:    v3.7.0-beta

MDL-63710 repository: Delete orphaned file records.