added KuduSync.NET.csproj.user to .gitignore
added KuduSync.NET.csproj.user to .gitignore

uQr/KuduSync.NET,uQr/KuduSync.NET,kostrse/KuduSync.NET,projectkudu/KuduSync.NET,projectkudu/KuduSync.NET,kostrse/KuduSync.NET