updated handling of flavour conflicts
updated definition of parton-based jet flavour
added Sherpa to the list of supported generators
added Herwig++ to the list of supported generators
clustered "ghost" particles now ordered by Pt
expanded description of hadron selection
improved handling of jet Pt mismatches
updated warning messages
switching to status=71 partons in Pythia8 which are equivalent to status=2 partons in Pythia6
general code cleanup and optimization, switched to using signed parton flavour codes
added "ghost" leptons
now also including c hadrons from b hadron decays
added a few documentation lines
Merge pull request #3025 from cms-btv-pog/NewJetFlavourUpdate_from-CMSSW_7_1_0_pre5

Sim -- New jet flavour definition update