Author: Stephen Bourget
MDL-55158 mod_data: Add calendar events for database activities
http://git.moodle.org/gw?p=moodle.git;a=commit;h=87d6e85a9ac66fdcbabc8ba020fedbbde80cee0a
http://github.com/moodle/moodle/commit/87d6e85a9ac66fdcbabc8ba020fedbbde80cee0a
+ 3.2 en [calendarend,mod_data]
+ 3.2 en [calendarstart,mod_data]