change some plotting parameters and default to testing some of the more advanced fiteach features
change some plotting parameters and default to testing some of the more
advanced fiteach features

e-koch/pyspeckit,pyspeckit/pyspeckit,low-sky/pyspeckit,keflavich/pyspeckit,e-koch/pyspeckit,jpinedaf/pyspeckit,low-sky/pyspeckit,keflavich/pyspeckit,pyspeckit/pyspeckit,jpinedaf/pyspeckit