Merge pull request #6 from gpetruc/micro-from700

fix include guard to a more proper name
add EI and CandPtrProjector, still need to fix the pat::Objects to get it working
Merge branch 'micro-from700-andrea' of github.com:arizzi/cmssw into micro-from700-andrea
EI config based on CommonTools/ParticleFlow/python/EITopPAG_cff.py
fix pat::Muon to return also the refToSource in the SourcePtr interface
do not remove the SC for bad photons, should be cheap anyhow
support for event interpretation with e/gamma