增加缓存框架
增加memcached支持
增加模版选择器
调整顺序
Merge branch 'feature/模版选择器' into develop
Merge branch 'feature/memcached支持' into develop

Conflicts:
	pom.xml
提交代码
Merge branch 'feature/shiro支持' of https://github.com/undancer/breath into feature/shiro支持

Conflicts:
	modules/security/pom.xml
	modules/security/src/main/resources/META-INF/spring.xml
	modules/security/src/main/resources/META-INF/spring/shiro-config-support.xml
	pom.xml
	samples/showcase/src/main/resources/META-INF/spring/shiro-config.xml