Author: Simey Lameze
MDL-59864 core_calendar: add link to activity on module events
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4757780aea125500ebdd9863928fb817cccb5150
http://github.com/moodle/moodle/commit/4757780aea125500ebdd9863928fb817cccb5150
+ 3.4 en [gotoactivity,core_calendar]