bsunanda:Phase2-hgx29 Have a standalone configuration for HGCal

[bsunanda]

Add a standalone configuration (ECAL+HCAL) - hgcal version like one with Shashlik

[cmsbuild]

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

bsunanda:Phase2-hgx29 Have a standalone configuration for HGCal

It involves the following packages:

Geometry/HGCalCommonData
SimG4CMS/Calo
Validation/CheckOverlap

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @nclopezo can you please review it and eventually sign? Thanks.
@ghellwig, @makortel this is something you requested to watch as well.
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@fratnikov, @mark-grimes you are the release manager for this.
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[cmsbuild]

+1
Tested at: 288ba0d
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9323/9801/summary.html

[fratnikov]

merge
this is a stand alone configuration not used in any official scenario.