Developer credits
Git commits in Moodle 3.4.0 by Charles Fulton
commit 6dede51557ab96d0c233529602702b7d3f8caf24 Author: Charles Fulton <fultonc@lafayette.edu> Date: Mon, 24 Jul 2017 22:49:58 +0800 Tag: v3.4.0-beta MDL-59492 block_myoverview: handle course visibility style