Master new EMEC variants

With this merge request the new 3 variants (Wheel/Cone/Slices) of the EMEC custom shape can be handled properly and built in properly from GeoModel to Geant4.

GeoModel2G4/GeoModel2G4/Geo2G4SolidFactory.h

@@ -12,6 +12,7 @@
 
 class G4VSolid;
 class GeoShape;
+class GeoUnidentifiedShape;
 
 class Geo2G4SolidFactory
 {
@@ -30,6 +31,7 @@ public:
    //StoreGateSvc_t& detStore() const;
 private:
   G4VSolid* createLArWheelSolid(const std::string& name, const LArWheelSolidDef_t & lwsdef) const;
+  G4VSolid* createLArWheelSliceSolid(const GeoUnidentifiedShape* ) const;
 
   static const LArWheelSolid_typemap s_lwsTypes;