Include/MyTools.* added two functions scaleHisto(nom_histo,denom_histo) for 1D and 2D.  (nom_histo /= denom_histo). Error is ignored
crossSectionFnc.cc Added file name adjustment for global rnd studies. Added checks for user-defined correction files
CrossSection/compareCS.C adjusted names to match fsrRndStudy and puRndStudy. Error estimation no longer includes variants
CrossSection/calcCSCov.C added global rndStudies: fsrRndStudy and puRndStudy
CrossSection/plotCSCov.C added global rndStudies: fsrRndStudy and puRndStudy. Added a plot showing the relative error from a contribution