[XPACK] Update elasticsearch-xpack README

Author: estolfo

elasticsearch-xpack/README.md

@@ -45,16 +45,19 @@ Elasticsearch node with the full X-Pack license preinstalled.
 
 This software is licensed under the Apache 2 license, quoted below.
 
-    Copyright (c) 2016 Elasticsearch <http://www.elasticsearch.org>
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
+    Licensed to Elasticsearch B.V. under one or more contributor
+    license agreements. See the NOTICE file distributed with
+    this work for additional information regarding copyright
+    ownership. Elasticsearch B.V. licenses this file to you 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
-
-       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.
+    
+    	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.