Author: Rodrigo Mady
MDL-78670 mod_quiz: Add offline atempt rule for sequential navigation
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3089485e575eefdedf23a8e1c1dd46993bb26757
http://github.com/moodle/moodle/commit/3089485e575eefdedf23a8e1c1dd46993bb26757
+ 4.1 en [offlineattemptserror,quizaccess_offlineattempts]