CMSSW_9_3_13_patch3

Changes since CMSSW_9_3_13_patch2:

compare to previous

1. 25648 from @AndrewLevin: Backport of POWHEG EmissionVeto1 updates to 93X generators created: 2019-01-14 16:39:18 merged: 2019-01-15 17:43:26

2. 25643 from @Andrej-CMS: Backport resonance decay filter generators created: 2019-01-13 14:10:00 merged: 2019-01-15 17:21:55

3. 25507 from @EmyrClement: NJetsMC filter backport to CMSSW_9_3_X generators created: 2018-12-17 13:47:48 merged: 2019-01-09 08:13:40

CMSDIST Changes between Tags REL/CMSSW_9_3_13_patch2/slc6_amd64_gcc630 and REL/CMSSW_9_3_13_patch3/slc6_amd64_gcc630:

compare to previous