Git commits in Moodle 4.0.0 by Jordi Pujol Ahulló

commit 21f73b29c12498e53c2868c04f0947263e72540d
Author: Jordi Pujol Ahulló <jpahullo@gmail.com>
Date:   Wed, 21 Apr 2021 02:32:54 +0800
Tag:    v4.0.0-beta

MDL-69764 tool_task: unify crontab verification

commit 9c4510a358cdcd192085d8d96c99acc571292dac
Author: Jordi Pujol Ahulló <jpahullo@gmail.com>
Date:   Mon, 16 Nov 2020 23:54:45 +0800
Tag:    v4.0.0-beta

MDL-70230 admin: add setting sched. task status

commit 96557076a2502f7d0c1c629909cde365f7fd63c4
Author: Jordi Pujol Ahulló <jpahullo@gmail.com>
Date:   Mon, 26 Oct 2020 23:57:25 +0800
Tag:    v4.0.0-beta

MDL-70038 assign: add suport for pdftoppm tool