ENH: added background colors.
ENH: added background colors.

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