Author: Mark Nelson
MDL-40063 mod_quiz: replaced 'view summary' add_to_log call with an event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=60ab03eb10909b389c07d867c275b55bc2acd1a7
http://github.com/moodle/moodle/commit/60ab03eb10909b389c07d867c275b55bc2acd1a7
+ 2.7 en [eventattemptsummaryviewed,mod_quiz]