improved Calendarprogram with more Gui-functionality
added Appointmenttype for better controll
enum for controlling Appointments
improved CalendarModel
changed notification
changed class for rendring appointments
added functionality in calendarpanel
created panel for editing appointments
changed menupanel and added descriptions
Merge branch 'master' of https://github.com/aleksanb/fellesprosjektet

Conflicts:
	src/core/CalendarProgram.java
	src/db/Appointment.java
Merge branch 'master' of https://github.com/aleksanb/fellesprosjektet