Author: Damyon Wiese
MDL-58142 calendar: Add an obvious link to the help docs
Part of MDL-58220
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1a1a09d8f887daae5400f2206d6561d53db08d64
http://github.com/moodle/moodle/commit/1a1a09d8f887daae5400f2206d6561d53db08d64
+ 3.3 en [exporthelp,core_calendar]