https://github.com/webcoding/useGit/blob/master/README.md
http://blog.youkuaiyun.com/ithomer/article/details/7529022
http://www.ruanyifeng.com/blog/2014/06/git_remote.html
https://help.github.com/articles/syncing-a-fork/
https://github.com/webcoding/useGit/blob/master/README.md
http://blog.youkuaiyun.com/ithomer/article/details/7529022
http://www.ruanyifeng.com/blog/2014/06/git_remote.html
https://help.github.com/articles/syncing-a-fork/