Add a plugin to clean HLT jets against leading leptons

[andrey-popov]

Backporting of pull request #4543 to CMSSW_7_1_X.

[cmsbuild]

A new Pull Request was created by @andrey-popov (Andrey Popov) for CMSSW_7_1_X.

Add a plugin to clean HLT jets against leading leptons

It involves the following packages:

HLTrigger/JetMET

@perrotta, @cmsbuild, @nclopezo, @Martin-Grunewald, @fwyzard, @Degano can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@nclopezo, @ktf you are the release manager for this.
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[perrotta]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes or unless it breaks tests. @nclopezo, @ktf can you please take care of it?

[cmsbuild]

+1
Tested at: 6e7cb74
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-4570/1793/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_1_X IBs unless changes (tests are also fine). @nclopezo, @ktf can you please take care of it?