Author: Shamim Rezaie
MDL-34411 mod_quiz: quiz overrides to observe group membership
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ce1fd002037822fcbea2e9f594ece3829244a800
http://github.com/moodle/moodle/commit/ce1fd002037822fcbea2e9f594ece3829244a800
+ 3.8 en [groupsnone,mod_quiz]