Author: Marina Glancy
MDL-58866 core_calendar: separate color for other events, icons
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d268c5bac31949b20984879ab89ebf3746172526
http://github.com/moodle/moodle/commit/d268c5bac31949b20984879ab89ebf3746172526
+ 3.9 en [eventtypeother,core_calendar]