安装SourceTreeSetup_1.6.14.exe之后中间会出现添加git步骤
git安装：Git-2.8.1-64-bit.exe
http://jingyan.baidu.com/article/020278117cbe921bcc9ce51c.html
导入授权：sourcetree.license 文件 注册选择导入license
http://download.csdn.net/download/micro_hz/9308741
操作：SourceTreeSetup_1.6.14.exe
安装
http://blog.sina.com.cn/s/blog_672143a30102vold.html
使用
http://www.myexception.cn/other/1997033.html
http://blog.csdn.net/collonn/article/details/39259227
http://www.jianshu.com/p/be9f0484af9d