Change VtxSmearing for pPb to fix a failing IB test

[kkrajczar]

Workflow 280.0 is failing in the IB tests both in 74X and in 75X with the error "KeyError: 'Realistic8TeVCollisionPPbBoost'". Indeed, Realistic8TeVCollisionPPbBoost is no longer defined in https://github.com/cms-sw/cmssw/blob/CMSSW_7_4_X/Configuration/StandardSequences/python/VtxSmeared.py. After discussing the issue with @yetkinyilmaz we understand that the vtx smearing should be changed to Realistic5TeVPPbBoost; which is the purpose of this PR.

The proposed change was tested to fix workflow 280.0.

@BetterWang, @yetkinyilmaz, @mandrenguyen

[cmsbuild]

A new Pull Request was created by @kkrajczar (Krisztian Krajczar) for CMSSW_7_4_X.

Change VtxSmearing for pPb to fix a failing IB test

It involves the following packages:

Configuration/PyReleaseValidation

@cmsbuild, @srimanob, @nclopezo, @boudoul, @franzoni can you please review it and eventually sign? Thanks.
@ghellwig, @Martin-Grunewald this is something you requested to watch as well.
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[kkrajczar]

@cmsbuild please test

[cmsbuild]

+1
Tested at: 9856c7a
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7927/2923/summary.html

[cmsbuild]

+1
Tested at: 9856c7a
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7927/2933/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7927/2933/summary.html

[davidlange6]

+1

[cmsbuild]

+1
Tested at: e80c033
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7927/3773/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-7927/3773/summary.html