Author: Mahmoud Kassaei
MDL-68367 Question: Multi-choice Option to hide systemtext
http://git.moodle.org/gw?p=moodle.git;a=commit;h=00055ef6abc837f53259217d5de9dd45641fb74f
http://github.com/moodle/moodle/commit/00055ef6abc837f53259217d5de9dd45641fb74f
+ 3.9 en [showstandardinstruction,qtype_multichoice]
+ 3.9 en [showstandardinstruction_help,qtype_multichoice]