Author: Mark Johnson
MDL-68806 quiz: Add new "Not started" and "Submitted" states
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0ffcd115c6c5c3566b8623c2576cd70114c71e51
http://github.com/moodle/moodle/commit/0ffcd115c6c5c3566b8623c2576cd70114c71e51
+ 5.0 en [eventquizattemptgraded,mod_quiz]