ENH:vtkPolyData construction/destruction now thread-safe
ENH:vtkPolyData construction/destruction now thread-safe

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