Merge Sunanda's branch

[ianna]

• HGCal geometry

[cmsbuild]

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

Merge Sunanda's branch

It involves the following packages:

Geometry/CMSCommonData
Geometry/HGCalCommonData
Geometry/HGCalSimData
Validation/CheckOverlap

The following packages do not have a category, yet:

Geometry/HGCalSimData

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @nclopezo, @Degano, @ktf can you please review it and eventually sign? Thanks.
@ghellwig 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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@andersonjacob, @mark-grimes you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[ianna]

+1

[mark-grimes]

merge

GEM test; extended pixels test; 3300, 3400, 4100, 4400, 40001, 50002, 60002, 4502, 4500, 5001 and 15001 (old numbering) all fine.