fix remaining small problem with bx indices
pass set by const reference
update pulse templates and covariance matrices
fix input collections for default sequnce
Merge branch 'ecalMultifit_minimal720p4' of github.com:bendavid/cmssw into ecalMultifit_minimal720p4
Needed to add both the timing algorithm on pu-subtracted pulse shape and the newest complete covariance matrices from simulation