Backport GEM reco geometry record from 70x

[ianna]

• Introduce GEMRecoGeometryRcd
• Metadata for GEM reco geometry payload
• GEM reco geometry record loader from DB
• Cleanup spurious includes and commented out code

[cmsbuild]

A new Pull Request was created by @ianna for CMSSW_6_2_X_SLHC.

Backport GEM reco geometry record from 70x

It involves the following packages:

CondCore/GeometryPlugins
CondTools/Geometry

@ggovi, @cmsbuild, @apfeiffer1, @nclopezo can you please review it and eventually sign? Thanks.
@ghellwig this is something you requested to watch as well.
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@davidlange6 you are the release manager for this.

[apfeiffer1]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IBs unless changes or unless it breaks tests. @davidlange6 can you please take care of it?

[nclopezo]

Request for 6_2_0_SLHC4, tested with
runTheMatrix.py -j 6 -w upgrade -l 3300,3400,4100,4400,4502,4500,5001,15001