http://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000
阮一峰：
http://www.ruanyifeng.com/blog/2014/06/git_remote.html
http://segmentfault.com/a/1190000002578476
git pull 忘记：
http://blog.csdn.net/gjswxhb/article/details/23221197
git checkout -b dev
git commit -m "D"
git checkout master
git merge dev
git branch -d dev
小结
Git鼓励大量使用分支：
查看分支：git branch
创建分支：git branch
切换分支：git checkout
创建+切换分支：git checkout -b
合并某分支到当前分支：git merge
删除分支：git branch -d
