Lot of debugging
Test reservations implemented
Extended View and Controller for Doctors
Merge remote-tracking branch 'origin/master' into wagi-debug

Conflicts:
	dse_ui/src/main/java/controller/DoctorController.java
Datumsformattierung überall, Reservierungslogik erweitert
Merge remote-tracking branch 'origin/master' into wagi-debug

Conflicts:
	dse_ui/src/main/java/controller/HospitalController.java
merge fixes - preparation to push into master branch