Revert "moved main models to models/download"

This reverts commit 19689d8663.

deezspot/models/__init__.py

@@ -0,0 +1,8 @@
+#!/usr/bin/python3
+
+from deezspot.models.smart import Smart
+from deezspot.models.track import Track
+from deezspot.models.album import Album
+from deezspot.models.playlist import Playlist
+from deezspot.models.preferences import Preferences
+from deezspot.models.episode import Episode