CMSSW_7_1_20_patch2

Changes since CMSSW_7_1_20_patch1:

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1. 12047 from @mandrenguyen: Adding a vertex smearing configution for pp at 5 TeV operations simulation created: 2015-10-22 12:48:54 merged: 2015-10-27 17:01:37

CMSDIST Changes between Tags REL/CMSSW_7_1_20_patch1/slc6_amd64_gcc481 and REL/CMSSW_7_1_20_patch2/slc6_amd64_gcc481:

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