Database Redesign for Appointment Table.
Added Start Time, End Time, Start Date, End Date, Reminder Interval.
Change Create Appointment to receive member details in input, if
appointment is shared with specific members and not entire group.
Merge branch 'master' of https://github.com/nancywatta/HealthConnect

Conflicts:

HealthConnectServer/HealthConnect/src/main/java/aucklanduni/ece/hc/webse
rvice/AppointmentRestController.java