Lisatud kasutaja lisamine kasutades input boxe.
Merge remote-tracking branch 'origin/2.1-master'

Conflicts:
	src/main/java/org/springframework/samples/petclinic/service/UserService.java
	src/main/java/org/springframework/samples/petclinic/web/UserController.java
	src/main/webapp/WEB-INF/thymeleaf/users/userList.html