Integration Changes
Added Some Error Checking on User Input

There is now error checking for Appointment Title and Appointment Person
Name. These are required text fields for the appointment. There is also
error Checking for the Date. The date needs to be after the current date
on the system.
Added Error Checking for Time

The user can't enter a start time that is after the end time for the
appointment, there is an error message notification given if the user
does this.
Merge remote-tracking branch 'origin/appointments' into notifications

Conflicts:
	.classpath
	.settings/org.eclipse.jdt.core.prefs
	src/com/team9/healthmate/AppointmentForm.java
Removed Duplicate import statement