Updated TODO with entries regarding notifications

darcs-hash:20090414121800-b22ec-bf7f3f49ebfde3b1359f1a32690f8fea3a5a187a
Make sip_audio_session.py display available and used audio devices

darcs-hash:20090414122020-58103-316bef6fb51d30392736d9bd5fbfc2e136d1b3cf