make autotools to provide state directory

The state directory will have a pid file, identified by bind_address:port
file.  Detault pid file is going to be 0:32546.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
add run time structure configuration to support command line options

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
make --listen and --port options work

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
make setting server's initial state working

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
stop informing to syslog if client socket could not be accepted

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
make pid files work

Signed-off-by: Sami Kerola <kerolasa@iki.fi>