Log Message:
update to bozohttpd 20030409.

        o  -d without DEBUG enabled only prints one warning and continues
        o  one can now define the C macro SERVER_SOFTWARE when building to
           change the Server: header and CGI variable of the same name
        o  add new -s flag the force logging output to stderr. from zakj@nox.cx
        o  add new -a flag for CGI bin that stops bozohttpd from outputting
           any HTTP reply, the CGI program must output these.  from zakj@nox.cx
        o  new REQUEST_URI and DATE_GMT environment variables for CGI.  from
           zakj@nox.cx
        o  add a "Makefile.boot" that should work with any make program
        o  build on linux again
        o  fix core dumps when using -C