BUG: A few bug fixes taken from vtkRenderLargeImage, also minor style fixes
BUG: A few bug fixes taken from vtkRenderLargeImage, also minor style fixes

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