Misc Python 3 fixes for ipaserver.secrets

bytes/str fixes for LDAP data, JSON encoding and temp files.

Require jwcrpyto 0.4.2 with fix for RHBZ #1476150

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

Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Simo Sorce <ssorce@redhat.com>
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

ipasetup.py.in

@@ -73,6 +73,7 @@ PACKAGE_VERSION = {
     'ipaplatform': 'ipaplatform == {}'.format(VERSION),
     'ipapython': 'ipapython == {}'.format(VERSION),
     'ipaserver': 'ipaserver == {}'.format(VERSION),
+    'jwcrypto': 'jwcrpyto >= 0.4.2',
     'kdcproxy': 'kdcproxy >= 0.3',
     'netifaces': 'netifaces >= 0.10.4',
     'pyldap': 'pyldap >= 2.4.15',