Install-Package Microsoft.Net.Http
PM> Install-Package Microsoft.AspNet.WebApi.Client -Version 5.2.2
Install-Package Newtonsoft.Json
http://nugetstatus.com/packages/Microsoft.Net.Http
25.01.2015
GS.Trade.Web.Mvc_05
Newtonsoft.json 6.0
System.Net.Http 4.0
System.Net.Formatting 5.2.2.0
System.Net.Http.WebRequest 4.0