Added QGLikelihoodSystematicsObject, which keeps the categories and parameters for the systematic smearing
Added functions to calculate the systematics smearing using the QGLikelihoodSystematics object
Update CondFormats/JetMETObjects with the new structs for QG systematics
Add QGLikelihoodSystematicsRcd
Register plugin for QGLikelihoodSystematics Rcd/Object
Add QGLikelihoodSystematicsESProducer
DBWriter for QG systematics added
Give no warning when systematics category is not found; this is expected in some cases