MET correction constant CondDB writer

[d4space]

The MET group is planning to implement the MET correction constant DB. This code set is for writing MET constant with CondDB format. The relevant discussion was done at MET group meeting as this link.

[cmsbuild]

A new Pull Request was created by @d4space for CMSSW_7_5_X.

MET correction constant CondDB writer

It involves the following packages:

CondFormats/JetMETObjects
JetMETCorrections/Modules

@ggovi, @vadler, @cmsbuild, @nclopezo, @monttj can you please review it and eventually sign? Thanks.
@TaiSakuma, @ahinzmann, @mmarionncern, @rappoccio, @jdolen, @nhanvtran, @apfeiffer1, @schoef, @mariadalfonso 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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@nclopezo you are the release manager for this.
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[cmsbuild]

+1
Tested at: 2c9e153
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8959/7418/summary.html

[cmsbuild]

+1
Tested at: 2d671ec
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8959/4767/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8959/4767/summary.html