[Spambayes] Upgrade from Source install to Binary install for Win32

[Mark Hammond]

> 1. Uninstall old SpamBayes Service.
> 	To do this run: pop3proxy_service.py remove
> 2. Reboot

If you ensure the service is stopped first ("pop3proxy_service.py stop"),
there should be no need to reboot.

> 3. Uninstall Win32all if so desired
> 4. Uninstall Python if so desired
> 5. Reboot (recommended only if Python and Win32all was uninstalled)

Again, this should only be necessary if you tried to uninstall them while
they were in use.

> 6. Install new binary 1.0a9
> 7. The cache directory has changed:
> From: C:\Documents and Settings\Default User\Application
> Data\SpamBayes\Proxy
> To: C:\Documents and Settings\{userdir}\Application
> Data\SpamBayes\Proxy

That suprises me, unless the service configuration has changed from the
'local system' user to a specific user.

Thanks for the instructions though!

Mark.