Author: Mark Nelson
MDL-40063 mod_quiz: replaced 'edit override' add_to_log call with events
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e7d80a059a410a5ae1a5bf42cc57e0b3904c847e
http://github.com/moodle/moodle/commit/e7d80a059a410a5ae1a5bf42cc57e0b3904c847e
+ 2.7 en [eventoverrideupdated,mod_quiz]