Add pu scenarios phys14 cmssw

[franzoni]

• Phys14_50ns_PoissonOOT added; for limited set of signal samples @50ns
• AVE_4_BX_50ns added; interest of SMP in 72x samples

[cmsbuild]

A new Pull Request was created by @franzoni (Giovanni Franzoni) for CMSSW_7_3_X.

Add pu scenarios phys14 cmssw

It involves the following packages:

Configuration/StandardSequences
SimGeneral/MixingModule

@civanch, @nclopezo, @vlimant, @mdhildreth, @cmsbuild, @franzoni, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @wmtan, @makortel, @GiacomoSguazzoni, @rovere, @VinInn, @cerati this is something you requested to watch as well.
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@nclopezo, @ktf you are the release manager for this.
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[franzoni]

+1

[franzoni]

+1

[cmsbuild]

Pull request #5732 was updated. @cmsbuild, @civanch, @nclopezo, @mdhildreth can you please check and sign again.