Init commit
Create README.md
added makefile
spaces
Merge master
Add days of months
added weekday function
Merge branch 'master' of https://github.com/gustavengstrom/calendar

Conflicts:
	date.h
typos
Add overloaded operator ++
blu
space
Fix increment
Makefile
Merge branch 'master' of https://github.com/gustavengstrom/calendar

Conflicts:
	date.cpp
	date.h
	gregorian.h
Add days_this_month, months_per_year, days_per_week
Add mont_name()
Add add_year()
Add add_month()
Overloading output stream operator