cMVAv2 negative/positive configuration files (76X)

[ferencek]

Adds configuration files for negative and positive cMVAv2 b-tagger needed for scale factor measurements. Does not affect reco sequences or event content.

Backport of #13014.

[cmsbuild]

A new Pull Request was created by @ferencek (Dinko Ferenček) for CMSSW_7_6_X.

It involves the following packages:

PhysicsTools/PatAlgos
RecoBTag/Combined

@cvuosalo, @monttj, @cmsbuild, @slava77, @vadler, @davidlange6 can you please review it and eventually sign? Thanks.
@TaiSakuma, @imarches, @ahinzmann, @acaudron, @mmarionncern, @rappoccio, @jdolen, @nhanvtran, @schoef, @ferencek, @gpetruc, @mariadalfonso, @pvmulder this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[cvuosalo]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/11850/console

[cmsbuild]

+1
Tested at: 8fcacbb
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-13699/11850/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-13699/11850/summary.html

[cvuosalo]

+1

For #13699 8fcacbb

Adding configuration files for negative and positive cMVAv2 b taggers.There should be no change in monitored quantities, Reco sequences, or event content.

#13014 is the 80X version of this PR, and it has already been merged.

The code changes are satisfactory, and Jenkins tests against baseline CMSSW_7_6_X_2016-03-08-2300 show no significant differences, as expected.