chore(license): update date ranges; standardise style (#145)

Author: Fdawgs

LICENSE

@@ -1,7 +1,9 @@
-Copyright (c) 2019 The Fastify Team
 Copyright (c) 2019, Sideway Inc, and project contributors
+Copyright (c) 2019-present The Fastify team
 All rights reserved.
 
+The Fastify team members are listed at https://github.com/fastify/fastify#team.
+
 The complete list of contributors can be found at:
 - https://github.com/hapijs/bourne/graphs/contributors
 - https://github.com/fastify/secure-json-parse/graphs/contributors