Author: Dongsheng Cai
MDL-16094 File storage conversion Quiz and Questions
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fe6ce2348945f267b3d90ed74442a221c0a9808d
http://github.com/moodle/moodle/commit/fe6ce2348945f267b3d90ed74442a221c0a9808d
+ 2.0 en [correctfeedback,qtype_calculated]
+ 2.0 en [incorrectfeedback,qtype_calculated]
+ 2.0 en [partiallycorrectfeedback,qtype_calculated]