fixes to the dates
fixed the valid dates in the calendar
Merge pull request #120 from ActivityRez/84732228

date fixes and calendar fixes
if any date in the bi-calendar system is null copy value to its partner
Merge pull request #121 from ActivityRez/84732228

	if any date in the bi-calendar system is null copy value to its partner
Merge branch 'develop' of github.com:ActivityRez/ar-framework into marketplace-redesign