Author: Marina Glancy
MDL-53638 mod_feedback: convert to moodleforms
http://git.moodle.org/gw?p=moodle.git;a=commit;h=97d71cbc3afb3207da2270151c2f16ef22c5fab8
http://github.com/moodle/moodle/commit/97d71cbc3afb3207da2270151c2f16ef22c5fab8
+ 3.1 en [delete_pagebreak,mod_feedback]
+ 3.1 en [numberoutofrange,mod_feedback]
+ 3.1 en [switch_item_to_not_required,mod_feedback]
+ 3.1 en [switch_item_to_required,mod_feedback]
+ 3.1 en [use_one_line_for_each_value,mod_feedback]