Author: Dan Poltawski
MDL-33069 assignment: change pluralname to (2.2)
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d6c94cf4eb1f0bfddb9ea1266554e23fff770332
http://github.com/moodle/moodle/commit/d6c94cf4eb1f0bfddb9ea1266554e23fff770332
+ 2.3 en [modulenameplural,mod_assignment]