Fix in madgraph/powheg scripts
Addition of LHE2HEPMC configuration
Updated to the POSTLS161_V1 adding the GBRForest tags.
Aligned to CMSSW_6_2_0.
Merge pull request #132 from fabiocos/62X-20130718

Tagset 133808 : Madgraph/Powheg scripts fixes and addition of lhe2hepmc configuration fragment
Merge pull request #142 from demattia/fixPostLS162

Updated to the POSTLS161_V1 adding the GBRForest tags.
TrackingParticle update