Author: Tim Hunt
MDL-20636 Conversion of the match question type.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=93cadb1edebe8ca52df57b6227eb9aedd6298abb
http://github.com/moodle/moodle/commit/93cadb1edebe8ca52df57b6227eb9aedd6298abb
+ 2.1dev en [availablechoices,qtype_match]
+ 2.1dev en [correctansweris,qtype_match]
+ 2.1dev en [pleaseananswerallparts,qtype_match]