Git commits in Moodle 3.7.0 by Sara Cenni

commit d78d97de8c59a6cfa1beeed9b64920c21d84c63f
Author: Sara Cenni <sara.cenni@unibo.it>
Date:   Fri, 12 Apr 2019 15:50:33 +0800
Tag:    v3.7.0-beta

MDL-64851 badge: reviewing badges of invisible courses

commit 607a6ca9d625150cb9b41194ac7c504df9910300
Author: Sara Cenni <sara.cenni@unibo.it>
Date:   Mon, 17 Dec 2018 18:48:30 +0800
Tag:    v3.7.0-beta

MDL-64345 core: Make FB logo upgrade cross-DB compatible