ENH: added list of available statistics engines
ENH: added list of available statistics engines

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