Added Establishment Class. Added Start Price in Car.cs. Added reservation(Currently conflicting with Niels's Reservation.cs). Added query in database.
Merge branch 'Auto_Detail' of https://github.com/dinkelstefan/Project-Qars-Windesheim into Auto_Detail
Merge branch 'Auto_Detail' of https://github.com/dinkelstefan/Project-Qars-Windesheim into Auto_Detail

Conflicts:
	Qars/Qars/Qars.csproj