CMSSW_7_1_47

Changes since CMSSW_7_1_46_patch1:

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CMSDIST Changes between Tags REL/CMSSW_7_1_46_patch1/slc6_amd64_gcc481 and REL/CMSSW_7_1_47/slc6_amd64_gcc481:

compare to previous

1. 6682 from @SiewYan: [7_1_X] upgrade sherpa to 2.2.11 created: 2021-02-25 16:23:12 merged: 2021-03-02 09:48:41