Author: Stephen Bourget
MDL-53537 core_backup: Add a course_backup_created event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f5de9484e85117b0e6b9489d08febfe48e5efca0
http://github.com/moodle/moodle/commit/f5de9484e85117b0e6b9489d08febfe48e5efca0
+ 3.4 en [eventcoursebackupcreated,core]