Spring 安全认证框架2.0.0 发布

This significant new release replaces Acegi Security as the official security module for
Spring applications. 
It offers substantially simplified configuration, and countless other new capabilities 
including OpenID, 
NTLM, JSR 250 annotations, AspectJ pointcut support, domain ACL enhancements, RESTful URI
authorization,
groups, hierarchical roles, user management API, database-backed "remember me", portlet 
authentication, 
additional languages, Web Flow 2.0 support, Spring IDE visualization and auto-completion,
enhanced WSS support
via Spring Web Services 1.5 and much more.