add vertex fit electron veto decision for PAT photons
add hasPixelSeed member function for electron veto
add input variables for photon regression energy correction
initialize the new variables
keep old ClassVersion and increase it to 11
Resolve merging conflicts.
Resolve code duplications and update Photon checksum.
fix definition of SigmaIetaIphi
merge cms-analysis-tools:7_0_5-photon
fixed bug omitting muons from the lepton selection
implemented fix for possible vector out of range exceptions
adding module for delta beta weighting
Fix RPC noise in PreMixing
Merge branch 'fix-plot-titles_for72X' into improve-offline-validation_for72X
Merge branch 'fix-plot-titles_for72X' into improve-offline-validation_for72X
Allow option of reading of files with prior releases
Merge pull request #4547 from mdhildreth/RPC_noise_fixes_for_PreMixing

Fix RPC noise in PreMixing
add TSG Mixing flat 20-50 mixing scenario (50 ns)
new premix dataset in input, w/ fixes for RPC and TK https://hypernews.cern.ch/HyperNews/CMS/get/relval/3073.html
Merge pull request #4650 from franzoni/from-CMSSW_7_0_6_patch3-new-PREMIX-input

new premix dataset in input