Cleanup Utils: remove DeltaPhiAbs
Add EventHists and Eventvariables
Add TauCleaner
Add a JetResolutionSmearer dummy class
Put LorentzVector utilities in uhh2 namespace

To prevent collision with reco when compiling in CMSSW
Add string2double method
Add MCWeight modules for Monte-Carlo reweighting
Add CommonModules, which runs a typical modules sequence
Add genjet charge; skipping over genparticles not saved in miniaod