DDBEXTRA-201 "Passwort vergessen" option
 DDBEXTRA-201 "Passwort vergessen" option: aasPersonService used
DDBEXTRA-201: forgotPassword-link changed to forgot-password-link
DDBEXTRA-201: use already existing error keys for 404 error view
DDBEXTRA-201: method changePassowrd -> code part after forward in else
condition moved
Merge branch 'DDBEXTRA-201_mse' into develop

Conflicts:
	grails-app/conf/ApplicationResources.groovy
	grails-app/controllers/de/ddb/registration/PersonController.groovy
	grails-app/i18n/messages.properties