Defines the selection sequence ZmmgSkimSeq for the Zmmg skim for the RAW-RECO event content. It also defines several other modules and sequences used: ZmmgHLTFilter ZmmgTrailingMuons ZmmgLeadingMuons ZmmgDimuons ZmmgDimuonFilter ZmmgDimuonSequence ZmmgMergedSuperClusters ZmmgPhotonCandidates ZmmgPhotons ZmmgPhotonSequence ZmmgCandidates ZmmgFilter ZmmgSequence Jan Veverka, Caltech, 5 May 2012