docs: fix copyright notice in cli.angular.io

Author: hansl

etc/cli.angular.io/license.html

@@ -1,6 +1,6 @@
 <pre style="word-wrap: break-word; white-space: pre-wrap;">The MIT License
 
-Copyright (c) 2014-2016 Google, Inc.
+Copyright (c) Google, Inc. All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal