BUG:  Fix for alpha channel during redirected painting.
BUG:  Fix for alpha channel during redirected painting.

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