update copyrights

src/cc/dapps/Makefile

@@ -1,5 +1,7 @@
-# Copyright 2020 The Hush Developers
-# Just type make to compile all dat dapp code, fellow cypherpunk
+# Copyright 2016-2020 The Hush Developers
+# Distributed under the GPLv3 software license, see the accompanying
+# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
+# Just type make to compile all dat dapp code, fellow cypherpunkz
 
 # we no longer build zmigrate by default, nobody uses that fucking code
 all: hushdex
@@ -9,6 +11,7 @@ hushdex:
 
 # Just for historical knowledge, to study how fucking stupid
 # ZEC+KMD were to still support sprout, to this day!!!!!!!!
+# Hush leads the entire world into the future, sans Sprout turdz
 zmigrate:
 	$(CC) zmigrate.c -o zmigrate -lm
 

src/cc/dapps/cJSON.c

@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2020 The Hush developers
+// Copyright (c) 2016-2020 The Hush developers
 // Distributed under the GPLv3 software license, see the accompanying
 // file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 /*

src/cc/dapps/hushdex.c

@@ -1,4 +1,4 @@
-// Copyright (c) 2019-2020 The Hush developers
+// Copyright (c) 2016-2020 The Hush developers
 /******************************************************************************
  * Copyright © 2014-2020 The SuperNET Developers.                             *
  *                                                                            *