a new file called "calendar.usholiday" committed
changed the date of April Fool's Day to 05/01 and Ground Hog Day to 02/03
 changed the date of Veterans' Day to 11/12
changed the date of New Year's Day to 01/02
changed the date of New Year's Day to 02/02
Merge branch 'testing' changed the date of New Year's Day to correct day  01/02 in testing branch, then merged the branch
Conflicts:
	jz1584/calendar.usholiday
Merge https://github.com/jz1584/assignment2
Merge pull request #6 from jz1584/master

assignment 2 from Jianming Zhou