ENH: add vtkSubGroup and vtkModelMetadata
ENH: add vtkSubGroup and vtkModelMetadata

arnaudgelas/VTK,demarle/VTK,mspark93/VTK,berendkleinhaneveld/VTK,Wuteyan/VTK,ashray/VTK-EVM,naucoin/VTKSlicerWidgets,candy7393/VTK,keithroe/vtkoptix,jmerkow/VTK,gram526/VTK,keithroe/vtkoptix,candy7393/VTK,Wuteyan/VTK,johnkit/vtk-dev,spthaolt/VTK,berendkleinhaneveld/VTK,jeffbaumes/jeffbaumes-vtk,sumedhasingla/VTK,mspark93/VTK,candy7393/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,biddisco/VTK,johnkit/vtk-dev,johnkit/vtk-dev,ashray/VTK-EVM,Wuteyan/VTK,daviddoria/PointGraphsPhase1,jeffbaumes/jeffbaumes-vtk,berendkleinhaneveld/VTK,sgh/vtk,arnaudgelas/VTK,cjh1/VTK,naucoin/VTKSlicerWidgets,spthaolt/VTK,keithroe/vtkoptix,SimVascular/VTK,gram526/VTK,msmolens/VTK,SimVascular/VTK,keithroe/vtkoptix,arnaudgelas/VTK,SimVascular/VTK,mspark93/VTK,hendradarwin/VTK,sumedhasingla/VTK,jmerkow/VTK,Wuteyan/VTK,naucoin/VTKSlicerWidgets,biddisco/VTK,collects/VTK,jmerkow/VTK,SimVascular/VTK,hendradarwin/VTK,biddisco/VTK,biddisco/VTK,biddisco/VTK,msmolens/VTK,arnaudgelas/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,sgh/vtk,hendradarwin/VTK,aashish24/VTK-old,jmerkow/VTK,spthaolt/VTK,candy7393/VTK,Wuteyan/VTK,sgh/vtk,hendradarwin/VTK,aashish24/VTK-old,msmolens/VTK,demarle/VTK,sumedhasingla/VTK,demarle/VTK,gram526/VTK,ashray/VTK-EVM,arnaudgelas/VTK,demarle/VTK,demarle/VTK,biddisco/VTK,naucoin/VTKSlicerWidgets,sgh/vtk,johnkit/vtk-dev,msmolens/VTK,sumedhasingla/VTK,gram526/VTK,aashish24/VTK-old,candy7393/VTK,Wuteyan/VTK,candy7393/VTK,johnkit/vtk-dev,sgh/vtk,jmerkow/VTK,mspark93/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,aashish24/VTK-old,daviddoria/PointGraphsPhase1,sankhesh/VTK,berendkleinhaneveld/VTK,cjh1/VTK,arnaudgelas/VTK,jmerkow/VTK,msmolens/VTK,ashray/VTK-EVM,sankhesh/VTK,keithroe/vtkoptix,sumedhasingla/VTK,sankhesh/VTK,cjh1/VTK,keithroe/vtkoptix,johnkit/vtk-dev,SimVascular/VTK,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,ashray/VTK-EVM,jmerkow/VTK,jmerkow/VTK,hendradarwin/VTK,sumedhasingla/VTK,msmolens/VTK,spthaolt/VTK,hendradarwin/VTK,SimVascular/VTK,sumedhasingla/VTK,demarle/VTK,aashish24/VTK-old,mspark93/VTK,naucoin/VTKSlicerWidgets,mspark93/VTK,sumedhasingla/VTK,aashish24/VTK-old,candy7393/VTK,cjh1/VTK,hendradarwin/VTK,cjh1/VTK,cjh1/VTK,spthaolt/VTK,spthaolt/VTK,SimVascular/VTK,collects/VTK,sankhesh/VTK,mspark93/VTK,biddisco/VTK,keithroe/vtkoptix,spthaolt/VTK,collects/VTK,Wuteyan/VTK,jeffbaumes/jeffbaumes-vtk,demarle/VTK,gram526/VTK,msmolens/VTK,demarle/VTK,naucoin/VTKSlicerWidgets,sankhesh/VTK,candy7393/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,sgh/vtk,berendkleinhaneveld/VTK,collects/VTK,jeffbaumes/jeffbaumes-vtk,collects/VTK,keithroe/vtkoptix,johnkit/vtk-dev,daviddoria/PointGraphsPhase1,sankhesh/VTK,sankhesh/VTK,collects/VTK,gram526/VTK,mspark93/VTK,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,ashray/VTK-EVM,msmolens/VTK