Migration Domain
Merge branch 'master' into Domain-Anpassung

Conflicts:
	shop/src/main/java/de/shop/artikelverwaltung/rest/ArtikelResource.java
	shop/src/main/java/de/shop/bestellverwaltung/rest/BestellungResource.java
	shop/src/main/java/de/shop/kundenverwaltung/rest/KundeResource.java