Fix PU jet ID config used for MVAmet 75

[ahinzmann]

Forward port of #11428

[cmsbuild]

A new Pull Request was created by @ahinzmann for CMSSW_7_5_X.

Fix PU jet ID config used for MVAmet 75

It involves the following packages:

RecoMET/METPUSubtraction

@cmsbuild, @cvuosalo, @slava77 can you please review it and eventually sign? Thanks.
@TaiSakuma, @mmarionncern, @jdolen, @nhanvtran, @schoef, @mariadalfonso this is something you requested to watch as well.
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@Degano you are the release manager for this.
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[slava77]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: f4a99d6
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-11431/8277/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-11431/8277/summary.html

[cvuosalo]

+1

For #11431 f4a99d6

Adding a missing parameter for PU jet ID config, for use by analysts. There should be no change in RECO. #11428 is the 74X version of this PR, and it has already been approved by Reco.

Jenkins tests against baseline CMSSW_7_5_X_2015-09-22-2300 show no significant differences, as expected.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_7_6_X is complete. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @Degano, @smuzaffar

[davidlange6]

+1