Use helper function lookup_playlist_from_name() to resolve uniquified MPD
playlist names to mopidy playlists in all MPD playlist handling commands.
Also make playlist_uri_from_name map private.
Define a uri for all playlists used in the MPD stored_playlists tests.
Extra MPD stored_playlist tests for duplicate names
config: Start work on mopidy-convert-config
config: Avoid adding empty sections
config: Print converted settings
config: Encode any unicode passwords if found
config: Ensure format only produces bytes
config: Add basic saving to convert config
Merge pull request #419 from adamcik/feature/convert-config

Adds mopidy-convert-config for settings.py migration.
deps: 'none' should only be displayed if no other elements
Removed unnecessary logging

Also: nicer check that empty _playlist_uri_from_name is empty
Learn to not write c, learn English grammar
Merge branch 'develop' into fix/mpd-disambiguated-playlist-not-found
Access playlist_name_from_uri mapping through helper function and make dict private
Merge pull request #415 from kingosticks/fix/mpd-disambiguated-playlist-not-found

Fix playlist not found for disambiguated MPD playlists
setup: Install *.conf files as well