ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.32 -j1.33 Rendering/vtkOpenGLExtensionManager.cxx)
ENH: Merge changes from main tree into VTK-5-2 branch. (cvs -q up -j1.32 -j1.33 Rendering/vtkOpenGLExtensionManager.cxx)

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