bug fix in fitting.py  * in fit_lc, set the output model parameters to the    values that minimize the chi2
bug fix in fitting.py
 * in fit_lc, set the output model parameters to the
   values that minimize the chi2

sncosmo/sncosmo,kbarbary/sncosmo,sncosmo/sncosmo,dannygoldstein/sncosmo,kbarbary/sncosmo,dannygoldstein/sncosmo,kbarbary/sncosmo,dannygoldstein/sncosmo,sncosmo/sncosmo