Author: Damyon Wiese
MDL-59973 calendar: Improve help for admin setting
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1b7d75f19f6252719cedcfee5bb3527818543337
http://github.com/moodle/moodle/commit/1b7d75f19f6252719cedcfee5bb3527818543337
+ 3.4 en [helpadminseesall,core_admin]