Use of full5x5 cluster shapes to compute the MVA, read gzipped xml files

[emanueledimarco]

Back port to 74X the pull request #8655.
@gpetruc @arizzi @cbernet are also interested in this

[cmsbuild]

A new Pull Request was created by @emanueledimarco (Emanuele Di Marco) for CMSSW_7_4_X.

backport to 74X branch the capabilities of 75X

It involves the following packages:

EgammaAnalysis/ElectronTools

@cmsbuild, @vadler, @nclopezo, @monttj can you please review it and eventually sign? Thanks.
@Sam-Harper 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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[cmsbuild]

+1
Tested at: e90a3d6
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9006/51/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9006/51/summary.html

[arizzi]

@monttj can you please comment or approve?

[monttj]

+1
this is backport to 74X.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_4_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @Degano, @smuzaffar

[davidlange6]

@emanueledimarco - please give this PR a descriptive title for the release notes. Thanks!

[emanueledimarco]

@davidlange6 done

[davidlange6]

+1
thanks!