Added basic CalendarData class.  It contains only the required functions withour implementation.
Basic Structure and DataBase functions for Calendar implementation (CalendarData) added for use of Calendar1 group in further development
Added:
CalendarData now contains implementations for required methods for database interaction and deffinitions for expected needed functions
calendar parts object classes
Began progress on the Calendar Data Model object.
Fleshed out the CalendarDataModel class. Added the necessary methods, controllers, observers, etc.
Commented my code, adding descriptions on constructors, objects, and methods.
Added the Copyright Header to the Calendar Data Model set of objects.
Merge branch 'calendar1' of https://github.com/tomorrow-nf/wpi-suite-team5 into calendar1