Move IServerInformation to Hosting.

Author: Tratcher

src/Microsoft.AspNet.Http.Core/ApplicationBuilder.cs

@@ -36,15 +36,15 @@ public IServiceProvider ApplicationServices
             }
         }
 
-        public IServerInformation Server
+        public object Server
         {
             get
             {
-                return GetProperty<IServerInformation>(Constants.BuilderProperties.ServerInformation);
+                return GetProperty<object>(Constants.BuilderProperties.ServerInformation);
             }
             set
             {
-                SetProperty<IServerInformation>(Constants.BuilderProperties.ServerInformation, value);
+                SetProperty<object>(Constants.BuilderProperties.ServerInformation, value);
             }
         }
 

src/Microsoft.AspNet.Http/IApplicationBuilder.cs

@@ -10,7 +10,7 @@ public interface IApplicationBuilder
     {
         IServiceProvider ApplicationServices { get; set; }
 
-        IServerInformation Server { get; set; }
+        object Server { get; set; }
 
         IDictionary<string, object> Properties { get; set; }