BUG: Fix Bug #1619 - vtkUnstructuredGrid huge memory consumption.
BUG: Fix Bug #1619 - vtkUnstructuredGrid huge memory consumption.

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