Author: Stevani Andolo
MDL-79734 mod_assign: Fixed send notifications for due in 7 days
http://git.moodle.org/gw?p=moodle.git;a=commit;h=46901a07b007e75952be58f7d17fd454d0509c1a
http://github.com/moodle/moodle/commit/46901a07b007e75952be58f7d17fd454d0509c1a
+ 4.5 en [assignmentduedigestitem,mod_assign]