more DLNA related cleanups
more DLNA related cleanups

unintended/Cohen,unintended/Cohen,coherence-project/Coherence,furbrain/Coherence,ismaelgaudioso/Coherence,ismaelgaudioso/Coherence,sreichholf/python-coherence,coherence-project/Coherence,opendreambox/python-coherence,furbrain/Coherence,opendreambox/python-coherence,sreichholf/python-coherence