Removed trailing whitespace in sip_auto_publish_presence.py

darcs-hash:20090513164704-58103-ab130569380d37c877aaef4afe294b56c364c28e
Removed old Publication class from core

darcs-hash:20090513165303-58103-0e746da090436b56fc9a7aa1cba3a495f5f1769b