

git-svn-id: https://weed-fs.googlecode.com/svn/trunk@57 282b0af5-e82d-9cf1-ede4-77906d7719d0

chrislusf/seaweedfs,chrislusf/seaweedfs,chrislusf/seaweedfs,hxiaodon/seaweedfs,k85169336/seaweedfs,chrislusf/seaweedfs,hxiaodon/seaweedfs,k85169336/seaweedfs