If buddy is on neither Allow nor Block list, then add to Allow list.
At some point, we should figure out if the NetworkInfo really is used
for this sort of thing.
#!/usr/bin/env python
# This is a simple purple notification server.
# It shows notifications when your buddy signs on or you get an IM message.
#
# This script requires Python 2.4 and PyGTK bindings
#
# Note that all function names are resolved dynamically, no