Author: Andrew Nicols
MDL-61597 calendartype: Implement the privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=48c091e51026521c02bb255fc71da45aa0ddd719
http://github.com/moodle/moodle/commit/48c091e51026521c02bb255fc71da45aa0ddd719
+ 3.5 en [privacy:metadata,calendartype_gregorian]