GaussianSumFitter move the combine, where all other combine methods are in...

Christos Anastopoulosrequested to merge
ATLAS-EGamma/athena:GSF_further into master

GaussianSumFitter move the combine, where all other combine methods are in the MultiComponentStateCombiner

Also rename the smoother part of the "fit" to smootherFit rather than just Fit so one can spot it easier

Merge request reports