Added file to initialize config.json.  Run before starting the portal for the first time, or if the port has changed
Added file to initialize config.json.  Run before starting the portal for the first time, or if the port has changed

rickmcgeer/geni-expt-engine,rickmcgeer/geni-expt-engine,rickmcgeer/geni-expt-engine,rickmcgeer/geni-expt-engine