Windows Server部署.net Core应用

1. 安装.net core window server hosting
2. 重启IIS iisreset

参考文档：
https://docs.microsoft.com/en-us/aspnet/core/publishing/iis?tabs=aspnetcore2x
http://www.cnblogs.com/ronli/p/5900001.html
https://www.microsoft.com/net/download/core
http://www.cnblogs.com/wangjieguang/p/core-iis.html