Fixed year in LICENSE file
same "printed page" as the copyright notice for easier
identification within third-party archives.
- Copyright 2019 Bartolomeo Stellato, Goran Banjac, Paul Goulart, Stephen Boyd
+ Copyright 2021 Bartolomeo Stellato, Goran Banjac, Paul Goulart, Stephen Boyd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
