
COMP: don't make the python interpreter REQUIRED, there are additional tests
which check whether it was actually found (should fix the build on HP UX)

Alex

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