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