MINIAOD BUGFIX: pvREF not set for some electrons

[arizzi]

Electron pfCandidates with gsfTracks but without a generalTrack are not associated to PVs in MINIAOD.
The fix tests both gsfTracks and regular tracks for all PFCandidates (preferring the gsfTrack when both available)

same as #8842

@gpetruc

[cmsbuild]

A new Pull Request was created by @arizzi for CMSSW_7_4_X.

MINIAOD BUGFIX: pvREF not set for some electrons

It involves the following packages:

CommonTools/RecoAlgos
PhysicsTools/PatAlgos

@nclopezo, @cvuosalo, @monttj, @cmsbuild, @slava77, @vadler can you please review it and eventually sign? Thanks.
@rappoccio, @jdolen, @imarches, @makortel, @acaudron, @abbiendi, @mmarionncern, @jhgoh, @ahinzmann, @nhanvtran, @schoef, @ferencek, @mariadalfonso, @pvmulder, @TaiSakuma this is something you requested to watch as well.
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[cmsbuild]

Pull request #8843 was updated. @nclopezo, @cvuosalo, @monttj, @cmsbuild, @slava77, @vadler can you please check and sign again.

[slava77]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: 2db0a1b
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8843/4367/summary.html

[slava77]

+1

for #8843 2db0a1b
the same topic branch as #8842 2db0a1b
signed off based on review in #8842

[davidlange6]

+1

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8843/4367/summary.html

The workflows 140.53, 4.53 have different files in step1_dasquery.log than the ones found in the baseline. You may want to check and retrigger the tests if necessary. You can check it in the "files" directory in the results of the comparisons