Developer credits
Git commits in Moodle 2.7.6 by Neill Magill
commit a2b22dd5df8204953b0873d9992cac616b953fd8 Author: Neill Magill <neill.magill@nottingham.ac.uk> Date: Mon, 19 Jan 2015 23:45:44 +0800 Tag: v2.7.6 MDL-48865 core_block: Show regions with only hidden blocks when editing