Initialize library, playlist, queue from ocarina/__init__.py

It can't be done in ocarina.py anymore, so it has to be moved there.

ocarina/__init__.py

@@ -29,12 +29,13 @@ def exit(widget, event):
 
 import window
 import body
-import library
-import playlist
-import queue
 
 window.init()
 body.init(window.window)
+
+import library
+import playlist
+import queue
 playlist.init()
 queue.init()
 library.init()