Handle PipelineCore rename.

Author: Tratcher

test/Microsoft.AspNet.StaticFiles.Tests/DefaultFilesMiddlewareTests.cs

@@ -9,7 +9,7 @@
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.FileSystems;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.PipelineCore;
+using Microsoft.AspNet.Http.Core;
 using Microsoft.AspNet.TestHost;
 using Xunit;
 

test/Microsoft.AspNet.StaticFiles.Tests/SendFileResponseExtensionsTests.cs

@@ -3,8 +3,8 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.AspNet.Http.Core;
 using Microsoft.AspNet.HttpFeature;
-using Microsoft.AspNet.PipelineCore;
 using Xunit;
 
 namespace Microsoft.AspNet.StaticFiles

test/Microsoft.AspNet.StaticFiles.Tests/StaticFileContextTest.cs

@@ -6,7 +6,7 @@
 using System.IO;
 using Microsoft.AspNet.FileSystems;
 using Microsoft.AspNet.Http;
-using Microsoft.AspNet.PipelineCore;
+using Microsoft.AspNet.Http.Core;
 using Microsoft.Framework.Expiration.Interfaces;
 using Microsoft.Framework.Logging;
 using Xunit;

test/Microsoft.AspNet.StaticFiles.Tests/project.json

@@ -1,6 +1,6 @@
 {
     "dependencies": {
-        "Microsoft.AspNet.PipelineCore": "1.0.0-*",
+        "Microsoft.AspNet.Http.Core": "1.0.0-*",
         "Microsoft.AspNet.StaticFiles": "1.0.0-*",
         "Microsoft.AspNet.TestHost": "1.0.0-*",
         "xunit.runner.kre": "1.0.0-*"