Spring Security 4.1.0.RC1 发布，Spring 安全框架

Spring Security 4.1.0.RC1 发布了，Spring Security 的前身是 Acegi Security ，是 Spring 项目组中用来提供安全认证服务的框架。

更新日志：

• Path Variables in Web Security Expressions

• Content Security Policy (CSP)

• HTTP Public Key Pinning (HPKP)

• Added ForwardAuthenticationFailureHandler & ForwardAuthenticationSuccessHandler

• SCrypt support with SCryptPasswordEncoder

• Simplified UserDetailsService Java Configuration

• Simplified AuthenticationProvider Java Configuration

• Moved to GitHub issues

• Test Meta Annotations

• Method Security Meta Annotations