reuse volume shapes.
new level of hiearchy.
Put CSC in hierarchical format.
Fix CSC tootltips.
don't reset colorsat the end.
Don't render assembly volumes
Disable summary
Hierarchical import of PXB.
simplify addCSC
Create only TGeo in FWTGeoRecoGeometryESProducer.
Put functions in proper order.
Fix DT and pixel detectors.
Fix RPC.
simplify interface.
Add ecal barrel.
Add ecal endcap.
Start hcal import.
Avoid no-mateial warning for assemblies.
Remove level from root file name.
Merge pull request #4727 from alja/recogeo2

Improvements in reco to TGeo conversion