Change source code and repo license info to .NET Foundation

- aspnet#2
- a few manual changes in `License.txt`, `Settings.StyleCop`, `CommonAssemblyInfo.*`, and
  `tools\src\Microsoft.Web.FxCop\Properties\AssemblyInfo.cs`

Author: dougbu

License.txt

@@ -1,15 +1,12 @@
-Copyright (c) Microsoft Open Technologies, Inc.  All rights reserved.
-Microsoft Open Technologies would like to thank its contributors, a list
-of whom are at http://aspnetwebstack.codeplex.com/wikipage?title=Contributors.
+Copyright (c) .NET Foundation. All rights reserved.
 
-Licensed under the Apache License, Version 2.0 (the "License"); you
-may not use this file except in compliance with the License. You may
-obtain a copy of the License at
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+these files except in compliance with the License. You may obtain a copy of the
+License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-implied. See the License for the specific language governing permissions
-and limitations under the License.
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.

Settings.StyleCop

@@ -287,11 +287,6 @@
       </Rules>
       <AnalyzerSettings />
     </Analyzer>
-    <Analyzer AnalyzerId="Microsoft.Web.StyleCop.Rules">
-      <AnalyzerSettings>
-        <StringProperty Name="FileHeaderText"> Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.</StringProperty>
-      </AnalyzerSettings>
-    </Analyzer>
     <Analyzer AnalyzerId="StyleCop.CSharp.LayoutRules">
       <Rules>
         <Rule Name="AllAccessorsMustBeMultiLineOrSingleLine">
@@ -385,7 +380,7 @@
     <Analyzer AnalyzerId="Microsoft.Web.StyleCop.Rules">
       <Rules />
       <AnalyzerSettings>
-        <StringProperty Name="FileHeaderText"> Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.</StringProperty>
+        <StringProperty Name="FileHeaderText"> 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.</StringProperty>
       </AnalyzerSettings>
     </Analyzer>
   </Analyzers>

src/Common/AttributeList.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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;
 using System.Collections.Generic;

src/Common/CollectionExtensions.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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.ObjectModel;
 using System.Diagnostics.Contracts;

src/Common/DictionaryExtensions.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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.ComponentModel;
 using System.Diagnostics.Contracts;

src/Common/EfficientTypePropertyKey.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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.
 
 namespace System.Web.Http
 {

src/Common/Empty.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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.
 
 namespace System.Collections.Generic
 {

src/Common/Error.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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;
 using System.ComponentModel;

src/Common/HashCodeCombiner.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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;
 

src/Common/HttpMethodHelper.cs

@@ -1,4 +1,5 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+// 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.Net.Http;