Author: yashvardhanpatel07
MDL-49098 feedback: Fix completion message language strings
With contributions from John Okely
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3da723d5486ab53a168e0c30966010d51618f071
http://github.com/moodle/moodle/commit/3da723d5486ab53a168e0c30966010d51618f071
+ 3.0 en [feedbackcompleted,mod_feedback]