Minimal backport of CSCTightHaloFilter from 62X.
Merged 5_3_15-addCSCTightHaloFilter from repository cms-analysis-tools
Update MET filters.
Update RelVal input files, command line parsing and for MVA electron ID inclusion in release, cleaning, trigger and GT, base selection for leptons in PFBRECO and apply EA/rho corrections to electrons, new cut strings in main *_cfg.py files, use of PV for muons.
Update RelVal input files, command line parsing and for MVA electron ID inclusion in release, cleaning, trigger and GT, base selection for leptons in PFBRECO and apply EA/rho corrections to electrons, new cut strings in main *_cfg.py files, use of PV for muons.
Update location of CSC halo filter.
Starting from CMSSW_5_3_11 versions.
Update to CMSSW_5_3_13 and usage of EA/rho corrections for electron isolation (already in PFBRECO).
Clean up installation recipe.
Update installation recipe.