Event Shape DQM HLT offline

[BetterWang]

Port from #12252 in 75X, and #12338 in 80X.
The 76X #12339 was closed, now open again.
In addition, I cherry pick the update for 2D histogram plot, same as #12522 which is merged in 75X.

[cmsbuild]

A new Pull Request was created by @BetterWang (Quan Wang) for CMSSW_7_6_X.

It involves the following packages:

DQMOffline/Trigger

@cmsbuild, @vanbesien, @deguio, @davidlange6 can you please review it and eventually sign? Thanks.
@rociovilar, @trocino, @jhgoh, @battibass this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

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[deguio]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/10111/console

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_6_X IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @Degano, @smuzaffar

[cmsbuild]

+1
Tested at: be11d20
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12647/10111/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12647/10111/summary.html

[davidlange6]

I am cleaning up the 76x queue aside from things for analysis workflows. I'm closing this pull request, please make sure the PR is in 80x. Thanks!