Author: Tim Hunt
MDL-27927 qtype_multianswer remove hard-coded string.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=635971c750e9808025461c253d43102b42999577
http://github.com/moodle/moodle/commit/635971c750e9808025461c253d43102b42999577
+ 2.1 en [storedqtype,qtype_multianswer]