set progress correctly and avoid div by zero
set progress correctly and avoid div by zero

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