Author: Tim Hunt
MDL-27413 start conversion of the multianswer qtype to the new question engine.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ab50232b7e1c7d05bc73e5b849a17eabf2c852b2
http://github.com/moodle/moodle/commit/ab50232b7e1c7d05bc73e5b849a17eabf2c852b2
+ 2.1dev en [subqresponse,qtype_multianswer]