Change shebang to python3 and +x for scripts

scripts/add-utxo.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 from future.utils import iteritems
 """A very simple command line tool to import utxos to be used
 as commitments into joinmarket's commitments.json file, allowing

scripts/convert_old_wallet.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import argparse
 import json
 import os.path

scripts/joinmarket-qt.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from future.utils import iteritems
 
 '''

scripts/joinmarketd.py

@@ -1,5 +1,4 @@
-#! /usr/bin/env python
-
+#!/usr/bin/env python3
 import sys
 from twisted.internet import reactor
 from twisted.python.log import startLogging

scripts/receive-payjoin.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 
 from optparse import OptionParser
 

scripts/sendpayment.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 
 """
 A sample implementation of a single coinjoin script,

scripts/sendtomany.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 """A simple command line tool to create a bunch
 of utxos from one (thus giving more potential commitments
 for a Joinmarket user, although of course it may be useful

scripts/tumbler.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 from twisted.internet import reactor

scripts/wallet-tool.py

@@ -1,5 +1,4 @@
-#! /usr/bin/env python
-
+#!/usr/bin/env python3
 from jmbase import jmprint
 from jmclient import wallet_tool_main
 

scripts/yg-privacyenhanced.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 from future.utils import iteritems
 
 import random

scripts/yield-generator-basic.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 
 from jmbase import jmprint
 from jmclient import YieldGeneratorBasic, ygmain