Git commits in Moodle 3.6.5 by Neill Magill

commit e597b883156486a225de7501bc88bda33078a878
Author: Neill Magill <neill.magill@nottingham.ac.uk>
Date:   Mon, 01 Apr 2019 18:39:06 +0800
Tag:    v3.6.5

MDL-65084 recent items: Handle deleted courses

commit 662c071f659c8026aed12896b295e91448922fb2
Author: Neill Magill <neill.magill@nottingham.ac.uk>
Date:   Mon, 01 Apr 2019 18:36:20 +0800
Tag:    v3.6.5

MDL-65084 recent items: Test handling of deleted courses