CMSSW_7_1_31

Changes since CMSSW_7_1_30:

compare to previous

1. 21751 from @Andrej-CMS: Sherpa 2.2.4 backport with OpenMPI for 7_1_X generators created: 2017-12-20 15:21:19 merged: 2017-12-22 08:21:03

2. 21476 from @efeyazgan: Create Pythia8CUEP8M2T4Settings_cfi.py and CP1-5 cfi’s. generators created: 2017-11-28 15:53:10 merged: 2017-12-22 08:20:37

3. 21330 from @perrozzi: add EventGenerationFailure exit code core generators created: 2017-11-16 14:00:59 merged: 2017-11-21 16:56:15

CMSDIST Changes between Tags REL/CMSSW_7_1_30/slc6_amd64_gcc481 and REL/CMSSW_7_1_31/slc6_amd64_gcc481:

compare to previous

1. 3646 from @Andrej-CMS: Backport sherpa 224 with openMPI created: 2017-12-20 15:27:45 merged: 2017-12-22 08:21:41

2. 3570 from @mkirsano: upgrade lhapdf PDF sets to 6.2.1a created: 2017-11-10 17:58:10 merged: 2017-12-08 14:28:59