Update beets to 1.4.7

Also updates:
- colorama-0.4.1
- jellyfish-0.6.1
- munkres-1.0.12
- musicbrainzngs-0.6
- mutagen-1.41.1
- pyyaml-3.13
- six-1.12.0
- unidecode-1.0.23

libs/beetsplug/plexupdate.py

@@ -12,9 +12,8 @@ Put something like the following in your config.yaml to configure:
 from __future__ import division, absolute_import, print_function
 
 import requests
-from urlparse import urljoin
-from urllib import urlencode
 import xml.etree.ElementTree as ET
+from six.moves.urllib.parse import urljoin, urlencode
 from beets import config
 from beets.plugins import BeetsPlugin
 
@@ -68,6 +67,7 @@ class PlexUpdate(BeetsPlugin):
             u'token': u'',
             u'library_name': u'Music'})
 
+        config['plex']['token'].redact = True
         self.register_listener('database_change', self.listen_for_db_change)
 
     def listen_for_db_change(self, lib, model):