Add editing appointment functionality for staff. And staff can change his password
cahnge cancel appointment link in customer appointments view.
Sort appointments in descending order for admin and customers.
merge staff-login into staff-appointment
Remove confirmation validation from staff. And also the edit ability if staff is not confirmed.
Merge branch sprint-3 into staff-appointments and fix conflicts.
Merge pull request #15 from vinsol/staff-appointments

Staff appointments