Add copyright header

Author: lzybkr

PSReadLine/AssemblyInfo.cs

@@ -1,4 +1,8 @@
-using System.Reflection;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System.Reflection;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

PSReadLine/BasicEditing.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Linq;
 using System.Management.Automation;
 using System.Management.Automation.Language;

PSReadLine/Cmdlets.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics.CodeAnalysis;

PSReadLine/Completion.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;

PSReadLine/ConsoleBufferBuilder.cs

@@ -1,3 +1,7 @@
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
 using System;
 using System.Collections.Generic;
 

PSReadLine/ConsoleKeyChordConverter.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.InteropServices;
@@ -233,4 +237,4 @@ internal static char GetCharFromConsoleKey(ConsoleKey key, ConsoleModifiers modi
             return keyChar;
         }
     }
-}
+}

PSReadLine/ConsoleLib.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Runtime.InteropServices;

PSReadLine/History.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;

PSReadLine/HistoryQueue.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;

PSReadLine/KeyBindings.cs

@@ -1,4 +1,8 @@
-using System;
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+
+using System;
 using System.Collections.Generic;
 using System.Management.Automation;
 using System.Text;