Handle Http.Core rename.

src/Microsoft.AspNet.Authentication.Facebook/FacebookAuthenticationHandler.cs

@@ -9,7 +9,7 @@ using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Core.Collections;
+using Microsoft.AspNet.Http.Collections;
 using Microsoft.AspNet.Http.Extensions;
 using Microsoft.AspNet.Http.Authentication;
 using Microsoft.AspNet.Authentication.OAuth;

src/Microsoft.AspNet.Authentication.Twitter/TwitterAuthenticationHandler.cs

@@ -10,7 +10,7 @@ using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Core.Collections;
+using Microsoft.AspNet.Http.Collections;
 using Microsoft.AspNet.Http.Authentication;
 using Microsoft.AspNet.Authentication;
 using Microsoft.AspNet.Authentication.Twitter.Messages;

src/Microsoft.AspNet.Authentication/AuthenticationServiceCollectionExtensions.cs

@@ -5,7 +5,6 @@ using System;
 using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Authentication;
-using Microsoft.AspNet.Http.Core.Authentication;
 using Microsoft.Framework.Internal;
 
 namespace Microsoft.Framework.DependencyInjection

src/Microsoft.AspNet.Authentication/ClaimsTransformationAuthenticationHandler.cs

@@ -5,7 +5,6 @@ using System;
 using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Http.Authentication;
-using Microsoft.AspNet.Http.Core.Authentication;
 
 namespace Microsoft.AspNet.Authentication
 {

src/Microsoft.AspNet.Authentication/HttpContextExtensions.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Core.Authentication;
 using Microsoft.AspNet.Http.Authentication;
 
 namespace Microsoft.AspNet.Authentication

src/Microsoft.AspNet.Authentication/project.json

@@ -3,8 +3,8 @@
     "description": "ASP.NET 5 common types used by the various authentication middleware.",
     "dependencies": {
         "Microsoft.AspNet.DataProtection": "1.0.0-*",
+        "Microsoft.AspNet.Http": "1.0.0-*",
         "Microsoft.AspNet.Http.Interfaces": "1.0.0-*",
-        "Microsoft.AspNet.Http.Core": "1.0.0-*",
         "Microsoft.AspNet.Http.Extensions": "1.0.0-*",
         "Microsoft.Framework.Logging.Interfaces": "1.0.0-*",
         "Microsoft.Framework.NotNullAttribute.Internal": { "type": "build", "version": "1.0.0-*" }

test/Microsoft.AspNet.Authentication.Test/AuthenticationHandlerFacts.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNet.Http.Core;
+using Microsoft.AspNet.Http;
 using Xunit;
 
 namespace Microsoft.AspNet.Authentication

test/Microsoft.AspNet.Authentication.Test/Cookies/Infrastructure/CookieChunkingTests.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Core;
 using Xunit;
 
 namespace Microsoft.AspNet.Authentication.Cookies.Infrastructure

test/Microsoft.AspNet.Authentication.Test/SecurityHelperTests.cs

@@ -6,7 +6,6 @@ using System.Linq;
 using System.Security.Claims;
 using System.Security.Principal;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.Http.Core;
 using Microsoft.AspNet.Authentication;
 using Shouldly;
 using Xunit;