ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.23 -j1.24 Widgets/vtkContourWidget.cxx)
ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.23 -j1.24 Widgets/vtkContourWidget.cxx)

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