Fixed the normal matrix, now molecules look much better
Fixed the normal matrix, now molecules look much better

This also keeps the model-view matrix to avoid a second matrix
multiply when the model transform matrix is set. Only the selection
test fails in the chemistry tests now.

Change-Id: I5946cebf5f6e6a6737eace4939f54331e34e4c40

sankhesh/VTK,keithroe/vtkoptix,johnkit/vtk-dev,johnkit/vtk-dev,candy7393/VTK,berendkleinhaneveld/VTK,msmolens/VTK,demarle/VTK,berendkleinhaneveld/VTK,msmolens/VTK,keithroe/vtkoptix,msmolens/VTK,sumedhasingla/VTK,msmolens/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,mspark93/VTK,johnkit/vtk-dev,mspark93/VTK,jmerkow/VTK,gram526/VTK,demarle/VTK,keithroe/vtkoptix,ashray/VTK-EVM,hendradarwin/VTK,ashray/VTK-EVM,jmerkow/VTK,sankhesh/VTK,sankhesh/VTK,ashray/VTK-EVM,keithroe/vtkoptix,keithroe/vtkoptix,berendkleinhaneveld/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,candy7393/VTK,candy7393/VTK,johnkit/vtk-dev,ashray/VTK-EVM,mspark93/VTK,hendradarwin/VTK,mspark93/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,candy7393/VTK,johnkit/vtk-dev,SimVascular/VTK,demarle/VTK,sumedhasingla/VTK,sankhesh/VTK,SimVascular/VTK,jmerkow/VTK,gram526/VTK,ashray/VTK-EVM,keithroe/vtkoptix,SimVascular/VTK,hendradarwin/VTK,ashray/VTK-EVM,msmolens/VTK,hendradarwin/VTK,candy7393/VTK,hendradarwin/VTK,sankhesh/VTK,msmolens/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,sankhesh/VTK,gram526/VTK,mspark93/VTK,hendradarwin/VTK,gram526/VTK,gram526/VTK,sankhesh/VTK,ashray/VTK-EVM,SimVascular/VTK,SimVascular/VTK,jmerkow/VTK,jmerkow/VTK,mspark93/VTK,gram526/VTK,sumedhasingla/VTK,msmolens/VTK,hendradarwin/VTK,ashray/VTK-EVM,gram526/VTK,mspark93/VTK,jmerkow/VTK,demarle/VTK,sumedhasingla/VTK,demarle/VTK,candy7393/VTK,demarle/VTK,gram526/VTK,keithroe/vtkoptix,demarle/VTK,jmerkow/VTK,johnkit/vtk-dev,SimVascular/VTK,candy7393/VTK,sumedhasingla/VTK,msmolens/VTK,demarle/VTK,sumedhasingla/VTK,sankhesh/VTK,candy7393/VTK,mspark93/VTK,johnkit/vtk-dev,sumedhasingla/VTK,jmerkow/VTK