Author: Colin Chambers
MDL-36570 question editing: group answer/choice fields better.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c7218aef8d4b366beb751574eef86a47ac859991
http://github.com/moodle/moodle/commit/c7218aef8d4b366beb751574eef86a47ac859991
+ 2.5 en [answers,core_question]
+ 2.5 en [answerformula,qtype_calculated]
+ 2.5 en [answerdisplay,qtype_calculated]
+ 2.5 en [tolerancetype,qtype_calculated]
+ 2.5 en [answeroptions,qtype_calculatedmulti]
+ 2.5 en [answeroptions_help,qtype_calculatedmulti]
+ 2.5 en [answererror,qtype_numerical]