Added parameter fbIsPbPb and function SetIsPbPb for switching between…

… Pb+Pb and p+p. Centrality is set to 0 if p+p. Added parameter fdRadiusJetBg and function SetJetRadiusBg for R of kt jet finder used for reconstruction of bg clusters. Added function CompareClusters for sorting kt clusters. Functions IsSelectedForJets, GetCentralityBinIndex, GetCentralityBinEdge, GetCentBinLabel, MassPeakSigmaOld are no longer static. Histograms fh1DeltaZ..., fh2Cut..., fh2Tau3DVs2D commented out. Changed indentation, spacing and commenting style. Function GetRandomCone reworked. Function IsSelectedForJets extended for p+p.