Merge pull request #14 from dreamans/master

修改组件加载目录，去除core::app()中的cookie属性
Merge pull request #15 from dreamans/master

增加CLI模式
Merge pull request #16 from dreamans/master

组件整理 删除多余文件
Merge pull request #17 from dreamans/master

修复组件命名空间错误
修改memcache组件结构 解耦