Add color for new columns, age, due, sla resolve by columns.

[harley]

This report is a good example with the new columns.

https://service.purdue.edu/TDNext/Apps/Reporting/ReportDetail?ID=9018

Ideally, the age, due, and resolve by columns would color code from none to red. For the Age column, it should follow the gradation used on the modified column. For the Due and SLA Resolve By columns, it should get red as we get closer to the current date or in the past with no change in color if more than 5 day out.