Author: Jamie Pratt
MDL-47494 ddimageortext: NOBUG fixed problems with hint options 'show number correct' and 'clear wrong answers'.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=5c951453e04faa17acd3cc7156bb42223a1d24d3
http://github.com/moodle/moodle/commit/5c951453e04faa17acd3cc7156bb42223a1d24d3
+ 3.0 en [nolabel,qtype_ddimagetoimage]