Updated delete functionality
Merge branch 'master' of https://github.com/Rolan2772/examples

Conflicts:
	src/main/java/com/rolan/examples/spring/crudexample/CRUDController.java
	src/main/java/com/rolan/examples/spring/crudexample/dao/Contact.java
	src/main/webapp/WEB-INF/jsp/showContacts.jsp