Migrate as much as possible to pip and requirements.txt

lib/beets/config_default.yaml

@@ -1,109 +0,0 @@
-library: library.db
-directory: ~/Music
-
-import:
-    write: yes
-    copy: yes
-    move: no
-    link: no
-    delete: no
-    resume: ask
-    incremental: no
-    quiet_fallback: skip
-    none_rec_action: ask
-    timid: no
-    log:
-    autotag: yes
-    quiet: no
-    singletons: no
-    default_action: apply
-    languages: []
-    detail: no
-    flat: no
-    group_albums: no
-    pretend: false
-
-clutter: ["Thumbs.DB", ".DS_Store"]
-ignore: [".*", "*~", "System Volume Information"]
-replace:
-    '[\\/]': _
-    '^\.': _
-    '[\x00-\x1f]': _
-    '[<>:"\?\*\|]': _
-    '\.$': _
-    '\s+$': ''
-    '^\s+': ''
-path_sep_replace: _
-asciify_paths: false
-art_filename: cover
-max_filename_length: 0
-
-plugins: []
-pluginpath: []
-threaded: yes
-color: yes
-timeout: 5.0
-per_disc_numbering: no
-verbose: no
-terminal_encoding: utf8
-original_date: no
-id3v23: no
-
-ui:
-    terminal_width: 80
-    length_diff_thresh: 10.0
-
-list_format_item: $artist - $album - $title
-list_format_album: $albumartist - $album
-time_format: '%Y-%m-%d %H:%M:%S'
-
-sort_album: albumartist+ album+
-sort_item: artist+ album+ disc+ track+
-
-paths:
-    default: $albumartist/$album%aunique{}/$track $title
-    singleton: Non-Album/$artist/$title
-    comp: Compilations/$album%aunique{}/$track $title
-
-statefile: state.pickle
-
-musicbrainz:
-    host: musicbrainz.org
-    ratelimit: 1
-    ratelimit_interval: 1.0
-
-match:
-    strong_rec_thresh: 0.04
-    medium_rec_thresh: 0.25
-    rec_gap_thresh: 0.25
-    max_rec:
-        missing_tracks: medium
-        unmatched_tracks: medium
-    distance_weights:
-        source: 2.0
-        artist: 3.0
-        album: 3.0
-        media: 1.0
-        mediums: 1.0
-        year: 1.0
-        country: 0.5
-        label: 0.5
-        catalognum: 0.5
-        albumdisambig: 0.5
-        album_id: 5.0
-        tracks: 2.0
-        missing_tracks: 0.9
-        unmatched_tracks: 0.6
-        track_title: 3.0
-        track_artist: 2.0
-        track_index: 1.0
-        track_length: 2.0
-        track_id: 5.0
-    preferred:
-        countries: []
-        media: []
-        original_year: no
-    ignored: []
-    required: []
-    track_length_grace: 10
-    track_length_max: 30