copy xy correction constants from CVS Revision 1.7
initial susypat test
53x fix FixMatrixInjector required after changes in reqMgr 0.9.79   https://twiki.cern.ch/twiki/bin/viewauth/CMS/DMWMReleaseNotesReqMgrTestbed; acknowledgements to Alan Malta Rodrigues
Merge branch 'CMSSW_5_3_X' of https://github.com/cms-sw/cmssw into from-CMSSW_5_3_12_patch1

back-porting this FIX:
fix FixMatrixInjector required after changes in reqMgr 0.9.79   https://twiki.cern.ch/twiki/bin/viewauth/CMS/DMWMReleaseNotesReqMgrTestbed; acknowledgements to Alan Malta Rodrigues
adding Hijing_PPb_MinimumBias_cfi.py
apply the fix suggested at https://github.com/cms-sw/cmssw/issues/942
remove CVS tags
Needed for MC PU reweighting.
Needed for MC PU reweighting.
Needed for MC PU reweighting. Replace a file in PhysicsTools/Utilities/interface to this one.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.
Added MC PU reweighting.