Fix for issue 1437. Had some issues with github on friday so here I am again. Still learning my way around git
removed the commented line as per suggestions of Mark and Su
Merge branch 'master' into issue-1437 revisiting the submissions late icon issue to check why it is failing some of the test cases
Merge branch 'master' into issue-1437 to make sure branch is up-to-date
Rearranged the unit test cases for past_due_date and modified test dates