Change test_case, change Appointment, Daily, Month
Cleaning .java before merging to CALENDAR

deleted all *.java
trying to rebase with other branch
Merge branch 'Appointments_CAL'

* Appointments_CAL:
  Change test_case, change Appointment, Daily, Month

Conflicts:
	P9_21/Appointment.java
	P9_21/Daily.java
	P9_21/Monthly.java
	P9_21/testerClass.java
Fixed Appointment