ID-Änderungen
Merge remote-tracking branch 'origin/master' into master-3

Conflicts:
	main/java/de/nordakademie/business/message/Product.java
	main/java/de/nordakademie/persistence/message/ProductDAOImpl.java
	main/java/de/nordakademie/ui/ProductDetailPanel.html
	main/java/de/nordakademie/ui/ProductDetailPanel.java