This now means that 'stop' as an argument works correctly, and doesn't
end up having squid restarted.
I've added some sleep code to wait for squid to complete its shutdown,
but I have commented it out for the time being as I don't know whether
its good practice to have your machine sleep during shutdown.
I'll research it some more. :)
options `start' and `stop' now (unless I have forgotten any). This allows
us to call the scripts from /etc/rc.shutdown with the correct option.
The (42 or so) ports that already DTRT before are unchanged.
Note: the b14 -> b15 change will loose your cache unless you take
the steps on http://squid.nlanr.net/ to recover it.
Read the Changelog for details, this is a fairly large update.
