tortoisegit教程: http://www.mamicode.com/info-detail-311565.html
https://my.oschina.net/longxuu/blog/141699
git入门：http://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000/001373962845513aefd77a99f4145f0a2c7a7ca057e7570000
ProGit: http://git.oschina.net/progit/