Update license year 2019

### Fix license of use,
update 2019;
Format ISO 8869-1;
----------------------------------------------------------------------------------------------------------------------
in Memoriam Guto Schiavon
![guto-schiavon_bitcoin](https://user-images.githubusercontent.com/7637553/50562143-a7506f80-0cf8-11e9-9e58-bed4565c4715.jpg)
R.I.P pioneer and friend.

#ripGUTO

diff --git a/COPYING b/COPYING
index ad4f1c3..d0ccb3e 100644 (file)
--- a/COPYING
+++ b/COPYING
@@ -1,8 +1,8 @@
-\feffCopyright © 2009-2016 The Bitcoin developers
+\feffCopyright © 2009-2019 The Bitcoin developers
 Copyright © 2011-2012 The PPCoin Developers
 Copyright © 2014 The Peerunity Developers
 Copyright © 2014 The EmerCoin Developers
-Copyright © 2012-2016 The NovaCoin developers
+Copyright © 2012-2019 The NovaCoin developers
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal