ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.56 -j1.57 Graphics/vtkClipPolyData.cxx)
ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.56 -j1.57 Graphics/vtkClipPolyData.cxx)

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