#281 Reorganise files, namespaces for internal and features.

Author: Tratcher

src/Microsoft.AspNet.Http/Infrastructure/FeatureReference.cs renamed to src/Microsoft.AspNet.FeatureModel/FeatureReference.cs

@@ -1,11 +1,9 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.AspNet.FeatureModel;
-
-namespace Microsoft.AspNet.Http.Infrastructure
+namespace Microsoft.AspNet.FeatureModel
 {
-    internal struct FeatureReference<T>
+    public struct FeatureReference<T>
     {
         private T _feature;
         private int _revision;

src/Microsoft.AspNet.Http.Abstractions/HttpResponseWritingExtensions.cs renamed to src/Microsoft.AspNet.Http.Abstractions/Extensions/HttpResponseWritingExtensions.cs

@@ -1,8 +1,6 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System.Collections.Generic;
-
 namespace Microsoft.AspNet.Http
 {
     /// <summary>

src/Microsoft.AspNet.Http.Abstractions/IFormCollection.cs

@@ -5,6 +5,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Http.Extensions;
+using Microsoft.AspNet.Http.Features;
 using Microsoft.Framework.Internal;
 
 namespace Microsoft.AspNet.Http

src/Microsoft.AspNet.Http.Extensions/SendFileResponseExtensions.cs

@@ -5,7 +5,7 @@
 using System.Security.Claims;
 using Microsoft.Framework.Internal;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public class AuthenticateContext
     {

src/Microsoft.AspNet.Http.Features/Authentication/AuthenticateContext.cs

@@ -4,7 +4,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public class ChallengeContext
     {

src/Microsoft.AspNet.Http.Features/Authentication/ChallengeContext.cs

@@ -3,7 +3,7 @@
 
 using System.Collections.Generic;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public class DescribeSchemesContext
     {

src/Microsoft.AspNet.Http.Features/Authentication/DescribeSchemesContext.cs

@@ -3,7 +3,7 @@
 
 using System.Threading.Tasks;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public interface IAuthenticationHandler
     {

src/Microsoft.AspNet.Http.Features/Authentication/IAuthenticationHandler.cs

@@ -3,7 +3,7 @@
 
 using System.Security.Claims;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public interface IHttpAuthenticationFeature
     {

src/Microsoft.AspNet.Http.Features/Authentication/IHttpAuthenticationFeature.cs

@@ -6,7 +6,7 @@
 using System.Security.Claims;
 using Microsoft.Framework.Internal;
 
-namespace Microsoft.AspNet.Http.Authentication
+namespace Microsoft.AspNet.Http.Features.Authentication
 {
     public class SignInContext
     {