Offline validation ROOT6

[hroskes]

Allow the offline validation plotting scripts to compile in ROOT6

[cmsbuild]

A new Pull Request was created by @hroskes (Heshy Roskes) for CMSSW_7_5_X.

Offline validation ROOT6

It involves the following packages:

Alignment/OfflineValidation

@cmsbuild, @mmusich, @diguida, @cerminar can you please review it and eventually sign? Thanks.
@mschrode, @ghellwig, @frmeier, @mmusich, @tlampen this is something you requested to watch as well.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@Degano you are the release manager for this.
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[diguida]

please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

+1
Tested at: 5714edb
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9552/5424/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
e47b70f
13f1a1c
c91ccf2
d0a31a5
f82f47d
62e0312
7814f7e
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9552/5424/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9552/5424/git-merge-result

[mmusich]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_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]

+1