CMSSW_9_4_11_cand2

Changes since CMSSW_9_4_11_cand1:

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1. 24879 from @zhenhu: Backport to 94X: add fast sim2017 PU and pmx wfs pdmv upgrade created: 2018-10-15 18:11:05 merged: 2018-10-16 13:53:13

2. 24861 from @ssekmen: New fastsim geometry fix, AddOn faliure fix - backport to 94X fastsim created: 2018-10-13 02:55:41 merged: 2018-10-13 16:37:10

3. 24859 from @ssekmen: disabling pixel resolution histogram load messages fastsim created: 2018-10-12 20:54:05 merged: 2018-10-16 07:07:29

CMSDIST Changes between Tags REL/CMSSW_9_4_11_cand1/slc6_amd64_gcc630 and REL/CMSSW_9_4_11_cand2/slc6_amd64_gcc630:

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