Cascade Delete bei Benutzer implementiert
	modified:   application/models/DbTable/Adresse.php
	modified:   application/models/DbTable/Angebot.php
	modified:   application/models/DbTable/Angebotskorb.php
	modified:   application/models/DbTable/Anrede.php
	modified:   application/models/DbTable/Benutzer.php
	modified:   application/models/DbTable/Link.php
	modified:   application/views/scripts/index/index.phtml