ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.46 -j1.47 Filtering/vtkPiecewiseFunction.cxx)
ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.46 -j1.47 Filtering/vtkPiecewiseFunction.cxx)

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