Update license header

Author: ryanbrandenburg

.gitattributes

@@ -50,3 +50,4 @@
 *.sln text=auto eol=crlf
 
 *.sh eol=lf
+package-lock.json binary

dist/jquery.unobtrusive-ajax.js

@@ -1,5 +1,6 @@
 // Unobtrusive Ajax support library for jQuery
-// Copyright (C) Microsoft Corporation. All rights reserved.
+// 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.
 // @version v3.2.5
 // 
 // Microsoft grants you the right to use these script files for the sole
@@ -117,9 +118,9 @@
         }
 
         // change here:
-		// Check for a Form POST with enctype=multipart/form-data
-		// add the input file that were not previously included in the serializeArray()
-		// set processData and contentType to false
+        // Check for a Form POST with enctype=multipart/form-data
+        // add the input file that were not previously included in the serializeArray()
+        // set processData and contentType to false
         var $element = $(element);
         if ($element.is("form") && $element.attr("enctype") == "multipart/form-data") {
             var formdata = new FormData();