Author: Tim Hunt
Improve the wording of overdue messages. Thanks Phil.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=59d14f31bd10c0001d945e1a86d99433b12c802c
http://github.com/moodle/moodle/commit/59d14f31bd10c0001d945e1a86d99433b12c802c
+ 2.3 en [overduemustbesubmittedby,mod_quiz]