Update to modern CMake style
Update to modern CMake style

Change-Id: I6c64edc053d65fecb7db2d6a39a38c40e7fdf9ef

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