Author: Marina Glancy
MDL-43470 mod_feedback: remove mapping form autosave
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9b9b9caba380af84dabad587d2223b9846e1e48e
http://github.com/moodle/moodle/commit/9b9b9caba380af84dabad587d2223b9846e1e48e
+ 3.1 en [mappingchanged,mod_feedback]