mvn clean install
Open browser and browse at http://localhost:8080/Spring4MVCAngularJSExample/
http://www.tutorialspoint.com/spring/spring_web_mvc_framework.htm
https://www.luckyryan.com/2013/02/07/migrate-spring-mvc-servlet-xml-to-java-config/
http://websystique.com/springmvc/spring-mvc-4-angularjs-example/