Author: Simey Lameze
MDL-70820 mod_feedback: custom completion implementation
http://git.moodle.org/gw?p=moodle.git;a=commit;h=716ba1224b1b4b1347ad79c8c36994e752f28b0d
http://github.com/moodle/moodle/commit/716ba1224b1b4b1347ad79c8c36994e752f28b0d
+ 3.11 en [completiondetail:submit,mod_feedback]