Enable launchpad and fireworker config be passed via json string - #499

Enable launchpad and fireworker config be passed via json string#499

JBlaschke wants to merge 4 commits into

materialsproject:mainmaterialsproject/fireworks:mainfrom

JBlaschke:jpb/json_specJBlaschke/fireworks:jpb/json_specCopy head branch name to clipboard