Modified --trace-sip in sip_subscribe_winfo to also log to stdout

darcs-hash:20090214001745-1e3d8-677b112577b87ba6f1b21c57a00b6f9265e572f3
Modified --trace-sip in sip_audio_session to also log to stdout

darcs-hash:20090214001922-1e3d8-302394c7bc9206ee0e7d80a122f7215d3240f926