Adding QGLikelihood first attempt
Fixing ESProducer label
Fixing root-to-EDM histogram index off-by-one error
Removing cout in favor of LogInfo and LogError
Adding edmFileInPath
Fixing wrong initialization for fileinpath
Merge pull request #2924 from rappoccio/rappoccio_qgl_conddb

AlCa -- Making Quark-Gluon likelihood conditions DB object