Revert "Migrate as much as possible to pip and requirements.txt"

This reverts commit 982594a4a5.

lib/beets/__init__.py

@@ -0,0 +1,28 @@
+# This file is part of beets.
+# Copyright 2014, Adrian Sampson.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# This particular version has been slightly modified to work with Headphones
+# https://github.com/rembo10/headphones
+
+__version__ = '1.3.10-headphones'
+__author__ = 'Adrian Sampson <adrian@radbox.org>'
+
+import os
+
+import beets.library
+from beets.util import confit
+
+Library = beets.library.Library
+
+config = confit.LazyConfig(os.path.dirname(__file__), __name__)