ENH: Merge changes from main tree into VTK-5-4 branch. (cvs -q up -j1.11 -j1.12 Filtering/vtkViewport.cxx)
ENH: Merge changes from main tree into VTK-5-4 branch. (cvs -q up -j1.11 -j1.12 Filtering/vtkViewport.cxx)

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