be used for the examples in the tutorial.

The argument is the base port TCP number for the examples.

Servers listen on ports starting 10 above the base.

Server -listen oand client -connect arguments are numeric offsets to
the base TCP port number.

Polish the log-message output a bit, both with and without -L.



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4753 d4fa192b-c00b-0410-8231-f00ffab90ce4