STYLE: Add private copy constructor and assignment operator.
STYLE: Add private copy constructor and assignment operator.

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