====== Spring Framework 3.1 변경사항 ======

  * Flash Attribute : http://blog.goyello.com/2011/12/16/enhancements-spring-mvc31/
  * [[http://static.springsource.org/spring/docs/3.1.x/javadoc-api/org/springframework/web/servlet/mvc/support/RedirectAttributes.html|RedirectAttributes]]로 redirect시의 문자열 파라미터 지정 가능해짐.
  * HandlerInterceptor의 handler 파라미터가 컨트롤러 객체에서 org.springframework.web.method.HandlerMethod로 바뀜
  * [[springframework:mvc:handlermethodargumentresolver|Spring @MVC HandlerMethodArgumentResolver]]를 통해 컨트롤러에 파라미터 주입. 기존 방식은 사용하지 말 것.
  * [[http://blog.eyallupu.com/2012/04/csrf-defense-in-spring-mvc-31.html|Eyal Lupu Java Blog: New in Spring MVC 3.1: CSRF Protection using RequestDataValueProcessor]]
  * [[http://blog.springsource.org/2012/04/06/migrating-to-spring-3-1-and-hibernate-4-1/|Migrating to Spring 3.1 and Hibernate 4.1]]
  * [[http://blog.goyello.com/2011/12/16/enhancements-spring-mvc31/|Top 5 enhancements of Spring MVC 3.1]]