spring 3.0 m1 스프링 프레임워크 3.0 M1 배포~ 참조: http://blog.springsource.com/2008/12/05/spring-framework-30-m1-released/ revised project layout and build system with module-based sources updated entire codebase for Java 5 code style (generics, varargs) updated to JUnit 4.5 and JRuby 1.1 introduced Spring EL parser (org.springframework.expression