Have all the scripts run in python 3 by default

The Python 3 refactoring effort is finishing, it should be safe
to turn all scripts to run in Python 3 by default.

https://pagure.io/freeipa/issue/4985

Reviewed-By: Christian Heimes <cheimes@redhat.com>

install/tools/ipa-adtrust-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2
+#!/usr/bin/python3
 #
 # Authors: Sumit Bose <sbose@redhat.com>
 # Based on ipa-server-install by Karl MacMillan <kmacmillan@mentalrootkit.com>

install/tools/ipa-advise

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Tomas Babej <tbabej@redhat.com>
 #
 # Copyright (C) 2013  Red Hat

install/tools/ipa-backup

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Rob Crittenden <rcritten@redhat.com>
 #
 # Copyright (C) 2013  Red Hat

install/tools/ipa-ca-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Rob Crittenden <rcritten@redhat.com>
 #
 # Copyright (C) 2011  Red Hat

install/tools/ipa-cacert-manage

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Jan Cholasta <jcholast@redhat.com>
 #
 # Copyright (C) 2014  Red Hat

install/tools/ipa-compat-manage

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors: Rob Crittenden <rcritten@redhat.com>
 # Authors: Simo Sorce <ssorce@redhat.com>
 #

install/tools/ipa-csreplica-manage

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Rob Crittenden <rcritten@redhat.com>
 #
 # Based on ipa-replica-manage by Karl MacMillan <kmacmillan@mentalrootkit.com>

install/tools/ipa-custodia

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Copyright (C) 2017  IPA Project Contributors, see COPYING for license
 from ipaserver.secrets.service import main
 

install/tools/ipa-dns-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Martin Nagy <mnagy@redhat.com>
 # Based on ipa-server-install by Karl MacMillan <kmacmillan@mentalrootkit.com>
 #

install/tools/ipa-httpd-kdcproxy

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors:
 #   Christian Heimes <cheimes@redhat.com>
 #

install/tools/ipa-kra-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Ade Lee <alee@redhat.com>
 #
 # Copyright (C) 2014  Red Hat

install/tools/ipa-ldap-updater

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors: Rob Crittenden <rcritten@redhat.com>
 #
 # Copyright (C) 2008  Red Hat

install/tools/ipa-managed-entries

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors: Jr Aquino <jr.aquino@citrix.com>
 #
 # Copyright (C) 2011  Red Hat

install/tools/ipa-nis-manage

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors: Rob Crittenden <rcritten@redhat.com>
 # Authors: Simo Sorce <ssorce@redhat.com>
 #

install/tools/ipa-otptoken-import

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Nathaniel McCallum <npmccallum@redhat.com>
 #
 # Copyright (C) 2014  Red Hat

install/tools/ipa-pki-retrieve-key

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 
 from __future__ import print_function
 

install/tools/ipa-pkinit-manage

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 #
 # Copyright (C) 2017  FreeIPA Contributors see COPYING for license
 #

install/tools/ipa-replica-conncheck

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Martin Kosek <mkosek@redhat.com>
 #
 # Copyright (C) 2011  Red Hat

install/tools/ipa-replica-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
 #
 # Copyright (C) 2007  Red Hat

install/tools/ipa-replica-manage

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
 #
 # Copyright (C) 2007  Red Hat

install/tools/ipa-replica-prepare

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Petr Viktorin <pviktori@redhat.com>
 #
 # Copyright (C) 2012  Red Hat

install/tools/ipa-restore

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Rob Crittenden <rcritten@redhat.com>
 #
 # Copyright (C) 2013  Red Hat

install/tools/ipa-server-certinstall

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Jan Cholasta <jcholast@redhat.com>
 #
 # Copyright (C) 2013  Red Hat

install/tools/ipa-server-install

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
 #          Simo Sorce <ssorce@redhat.com>
 #          Rob Crittenden <rcritten@redhat.com>

install/tools/ipa-server-upgrade

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 #
 # Copyright (C) 2015  FreeIPA Contributors see COPYING for license
 #

install/tools/ipa-winsync-migrate

@@ -1,4 +1,4 @@
-#! /usr/bin/python2 -E
+#!/usr/bin/python3 -E
 # Authors: Tomas Babej <tbabej@redhat.com>
 #
 # Copyright (C) 2015  Red Hat

install/tools/ipactl

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Authors: Simo Sorce <ssorce@redhat.com>
 #
 # Copyright (C) 2008-2010  Red Hat