Author: Andrew Nicols
MDL-61597 calendartype: Implement the privacy API
http://git.moodle.org/gw?p=moodle.git;a=commit;h=26a4ad65dc4f7951ce9c6ad91eb2aea9081cede9
http://github.com/moodle/moodle/commit/26a4ad65dc4f7951ce9c6ad91eb2aea9081cede9
+ 3.3 en [privacy:metadata,calendartype_gregorian]