Display public holidays in list of absence dates

In the "Absence Request" screens, there's a breakdown of specific dates. If any dates correspond to public holidays, then the name of the holiday should be displayed.

Feb 17, 2014 (Mon, President's Day)
Feb 18, 2014 (Tue)
Feb 19, 2014 (Wed)

To get a list of public holidays in a given time frame, one can use the Activity.get API with

• activity_type_id="Public Holiday"
• filter.activity_date_time_low="yyyy-mm-dd hh:mm:ss"
• filter.activity_date_time_high="yyyy-mm-dd hh:mm:ss"