MarkUsProject/Markus — pull request #711 by lakeskysea (2012-03-12 07:57:25+00:00)
Title: fix: grace days used is not added correctly in submissions view

rewrote the grace_period_deduction_sum method in grouping.rb and rename it to grace_period_deduction_single.

added new unit tests for this method in grouping_test.rb