Added new tool that runs a web display and registers the geometry

SYNOPSIS
        dd_web_display help 
        dd_web_display [-p <http_port>] [-H <http_host>] [-f <io_file>] [-h] [-g <level>] [-o <out>] <file> 

OPTIONS
        -p, --port <http_port>
                    port to which the http serve attaches. Default: 8090 

        -H, --host <http_host>
                    Http server host name or IP address. Default: 127.0.0.1

         options:
            -h, --help
                    show help

            <file>  input xml file

EXAMPLES
 $ dd_web_display compact.xml