copy usholiday to mc5283
change april fool's to 05/01
Amend-change ground hog to 02/03
change veteran's to 11/12
change new year to 01/02
change new year to 02/02
change new year date
Merge https://github.com/MeihaoChen/assignment2
Merge pull request #28 from MeihaoChen/master

change new year date