CMSSW_9_3_6_patch2

Changes since CMSSW_9_3_6_patch1:

compare to previous

1. 22103 from @Dr15Jones: Report CPU time spent in child processes of ExternalLHEProducer [9_3] core generators created: 2018-02-02 22:57:50 merged: 2018-02-05 09:38:06

2. 22066 from @alberto-sanchez: fixing missing particle in filter - 93x generators created: 2018-01-31 22:20:18 merged: 2018-02-05 09:36:55

CMSDIST Changes between Tags REL/CMSSW_9_3_6_patch1/slc6_amd64_gcc630 and REL/CMSSW_9_3_6_patch2/slc6_amd64_gcc630:

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