We vibe the GPLv3, fix some typos

contrib/devtools/symbol-check.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # Copyright (c) 2014 Wladimir J. van der Laan
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 '''
 A script to check that the (Linux) executables produced by gitian only contain

contrib/hush-tx.bash-completion

@@ -1,6 +1,6 @@
 # bash programmable completion for hush-tx(1)
 # Copyright (c) 2016 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 _hush_tx() {

contrib/hushd.bash-completion

@@ -2,7 +2,7 @@
 # Copyright (c) 2012-2017 The Bitcoin Core developers
 # Copyright (c) 2016-2017 The Zcash developers
 # Copyright (c) 2018      The Hush developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 _hushd() {

contrib/komodo-cli.bash-completion

@@ -1,6 +1,6 @@
 # bash programmable completion for komodo-cli(1)
 # Copyright (c) 2012-2016 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 # call $komodo-cli for RPC

contrib/komodo-tx.bash-completion

@@ -1,6 +1,6 @@
 # bash programmable completion for komodo-tx(1)
 # Copyright (c) 2016 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 _komodo_tx() {

contrib/komodod.bash-completion

@@ -1,7 +1,7 @@
 # bash programmable completion for komodod(1)
 # Copyright (c) 2012-2017 The Bitcoin Core developers
 # Copyright (c) 2016-2017 The komodo developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 _komodod() {

contrib/linearize/linearize-data.py

@@ -3,7 +3,7 @@
 # linearize-data.py: Construct a linear, no-fork version of the chain.
 #
 # Copyright (c) 2013-2014 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #
 

contrib/linearize/linearize-hashes.py

@@ -3,7 +3,7 @@
 # linearize-hashes.py:  List blocks in a linear, no-fork version of the chain.
 #
 # Copyright (c) 2013-2014 The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #
 

contrib/seeds/generate-seeds.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # Copyright (c) 2014 Wladimir J. van der Laan
-# Distributed under the MIT software license, see the accompanying
+# Distributed under the GPLv3 software license, see the accompanying
 # file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 '''
 Script to generate list of seed nodes for chainparams.cpp.