Adapted sip_publish_presence script to the new XML API

darcs-hash:20090211184704-1e3d8-5d3329c6cf29383f813ae883f28136a8d5fa4ed9
Fixed NotesAttribute descriptor to allow NoteLists to be set

darcs-hash:20090211184859-1e3d8-fa3a29b0ded8f11590bae334bad0fd13516d2d67