geometry vs run number: API for CAD volumes

[maureeungaro]

Modify CAD api in order to

• [ ] load volumes from 'cad_variation'.gxml.

• [ ] only load volumes specified in the gxml file

• [ ] adapt current cad.gxml files to new scheme

• [ ] .//htcc/cad_spring18/cad.gxml

• [ ] .//htcc/cad/cad.gxml

• [ ] .//htcc/cad_fall18/cad.gxml

• [ ] .//ltcc/cad_cone/cad.gxml

• [ ] .//ltcc/cad/cad.gxml

• [ ] .//ddvcs/cad/cad.gxml

• [ ] .//targets/hdIce/cad.gxml

• [ ] .//targets/rge-dt/Pb/cad.gxml

• [ ] .//targets/rge-dt/Empty/cad.gxml

• [ ] .//targets/rge-dt/Al/cad.gxml

• [ ] .//targets/rge-dt/Cu/cad.gxml

• [ ] .//targets/rge-dt/common/cad.gxml

• [ ] .//targets/rge-dt/Sn/cad.gxml

• [ ] .//targets/rge-dt/C/cad.gxml

• [ ] .//targets/ltarget/cad.gxml

• [ ] .//targets/transverseTargetCad/cad.gxml

• [ ] .//targets/cade/cad.gxml

• [ ] .//targets/cad/cad.gxml

• [ ] .//targets/cadrgm/cad.gxml

• [ ] .//targets/flagCad/cad.gxml

• [ ] .//targets/PolTarg/cad.gxml

• [ ] .//ctof/javacad_default_upstream/cad.gxml

• [ ] .//ctof/javacad_rga_fall2018_upstream/cad.gxml

• [ ] .//ctof/javacad_rga_spring2018/cad.gxml

• [ ] .//ctof/javacad_rga_fall2018/cad.gxml

• [ ] .//ctof/javacad_rga_spring2018_upstream/cad.gxml

• [ ] .//ctof/javacad_default/cad.gxml

• [ ] .//magnets/cad/cad.gxml

• [ ] .//rich/cad_default/cad.gxml

• [ ] .//rich/cad_rgc_summer2022/cad.gxml

• [ ] .//rich/cad_rga_fall2018/cad.gxml

• [ ] .//nuclearTargetTest/cad/cad.gxml

• [ ] .//beamline/cadBeamline/cad.gxml

• [ ] .//beamline/cad_downstream_beamline/cad.gxml

• [ ] .//beamline/cadBeamlineELMO/cad.gxml

• [ ] .//beamline/cadBeamlineFTOFF/cad.gxml

• [ ] .//beamline/transverseTargetMagnets/forwardWedges/cad.gxml

• [ ] .//beamline/transverseTargetMagnets/midpointWedges/cad.gxml

• [ ] .//beamline/transverseTargetMagnets/noWedges/cad.gxml

• [ ] add SQLITE support and index by run number

• [ ] CLAS Note on new CAD import.