[Spambayes] pop3proxy log now off by default

[Tim Stone - Four Stones Expressions]

I've changed the pop3proxy so that the log file is only written if 
options.verbose == True.  This is so that when the proxy is being used by the 
masses, this log file doesn't accumulate on their hard drive.

c'est moi - TimS
www.fourstonesExpressions.com