Author: David Woloszyn
MDL-78553 core_communication: Move settings to their own page
http://git.moodle.org/gw?p=moodle.git;a=commit;h=317251a9784e18b715bb346b2c61171e4f34a224
http://github.com/moodle/moodle/commit/317251a9784e18b715bb346b2c61171e4f34a224
+ 4.3 en [communicationdisabled,communication]
+ 4.3 en [nocommunicationinstance,communication]
+ 4.3 en [course:configurecoursecommunication,core_role]