persistent.xml angepasst
insert.sql INSERT für Bestellungen/Positionen
Merge branch 'master' of https://github.com/dastdev/shop.git

Conflicts:
	webshop/src/main/resources/META-INF/persistence.xml
	webshop/src/main/resources/sql/create.sql
	webshop/src/main/resources/sql/insert.sql