fix pruned and packed genparticles navigation, add association out of particle pruner
Merge branch 'micro-from700' of https://github.com/gpetruc/cmssw into micro-from700-andrea
rename gencands
PF MET and type1 MET corrections from non-PF Candidates
Add flags to say if a packed PF Cand is a global or standalone muon (for type1 MET)
Allow making GenJets from any Candidate, even not GenParticles
Fix regression in Type1 MET