ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.20 -j1.21 Graphics/vtkKdTree.cxx)
ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.20 -j1.21 Graphics/vtkKdTree.cxx)

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