Author: Tim Hunt
MDL-28471 Further tweaks to the question flag code.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=22c97c6446d864db00b123505473af482ae10a40
http://github.com/moodle/moodle/commit/22c97c6446d864db00b123505473af482ae10a40
+ 2.2 en [clicktoflag,core_question]
+ 2.2 en [clicktounflag,core_question]
+ 2.2 en [clickunflag,core_question]