Author: Andrew Nicols
MDL-61597 calendartype: Implement the privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ef86897b465c4d5b21619bfaab58c5eb37f2ec1f
http://github.com/moodle/moodle/commit/ef86897b465c4d5b21619bfaab58c5eb37f2ec1f
+ 3.4 en [privacy:metadata,calendartype_gregorian]