fixed problem with re-enabling b tagging in switchJetCollection() once it has been disabled
commented out unused parameter in the GenJetMatcher configuration
turned adaptPV() into a more generic tool
Merge pull request #3556 from cms-btv-pog/PAT-PythonCircuitryUpdate_from-CMSSW_5_3_13

Updates for PAT python configuration files: Backport from 7_1_X to 5_3_X