Vim 插件安装

• https://xiaozhou.net/configure-vim-project-plugin-2014-03-17.html
  project插件的安装
• https://www.jianshu.com/p/8d416ac4ad11
  http://blog.csdn.net/zhangpower1993/article/details/52184581
  https://saul-mirone.github.io/2017/06/20/vim-config/
  Vundle
• http://blog.csdn.net/namecyf/article/details/7787479
  vim配置及插件安装管理（超级详细）
• https://segmentfault.com/a/1190000008552449
  https://www.jianshu.com/p/f4fb7877829f
  https://blog.xiadong.info/2017/06/29/离线手动配置VIM/
  手动安装插件