Fixed error so that patients cannot create appointments in the past; fixed style changes; started EditApptPatientTest.java

cancelApptPatient now does not let user submit request to delete appointment more than once; general style fixes

Switched structure of View/Edit Appts to mimic HCP implementation; created editAppPatient.jsp and viewMyApptsPatient.jsp

Uc91.2

See merge request !4

Uc91.1

See merge request !3

Fixed failing unit tests and selenium tests

See merge request !1