Author: Amy Groshek
MDL-36540 - Survey language pack typo
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b1dd41de8609eb3b9c102e039a1708ed907a8afd
http://github.com/moodle/moodle/commit/b1dd41de8609eb3b9c102e039a1708ed907a8afd
+ 2.4 en [allquestionrequireanswer,mod_survey]