Major CRD

Create, Read en Delete van de Major
Major  klasse teruggezet

Bootst is weer boots geworden
Merge remote-tracking branch 'origin/Database-opzet' into Developers
fgh

Conflicts:
	Aedificium6N/Aedificium6N/Aedificium6N.csproj
Merge remote-tracking branch 'origin/Database-opzet' into Developers