let's see....
-each frame is universally accessible from every class. -DoctorPane,
NursePane, and Patient will now a method called 	refreshPanel(string
name), for passing in username and 	refreshing the panel.
-patient panel now read information from patient.txt file and
	doctor.txt file to populate contact info
-made the panels universality available from all classes
-patientPane now read from patient.txt and doctor.txt to populate
contacts
-doctorpane, nursepane, and patientPane now have refreshpanel(string
name) to read and update panel from the correct text file