Update LICENSE

Author: qxzzxq

LICENSE

@@ -186,7 +186,7 @@
  same "printed page" as the copyright notice for easier
  identification within third-party archives.
 
- Copyright 2019 JCDecaux, SA
+ Copyright 2020 SETL-Developers
 
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.