Delete BubbleChamber.gdml
Create BubbleMother.gdml
Rename BubbleMother.gdml to geometry/BubbleMother.gdml

Mother file for geometry
Create BeamPipe.gdml
Create Radiator.gdml
Create BubbleChamber.gdml

BubbleChamber and components
Create PhotonCollimator.gdml
Create PhotonDump.gdml
Create gdml.xsd
Create gdml_core.xsd
Create gdm_define.xsd
Rename gdm_define.xsd to gdml_define.xsd
Create gdml_extensions.xsd
Create gdml_materials.xsd
Create gdml_parameterised.xsd
Create gdml_replicas.xsd
Create gdml_solids.xsd
Update and rename DetectorConstruction.hh to BCDetectorConstruction.hh
Update and rename DetectorMessenger.hh to BCDetectorMessenger.hh
Update EventAction.hh