Incorporate patched from casey
Incorporate patched from casey

This makes it work with older versions of cmake and
inherits the build examples value from the parent

SimVascular/VTK,SimVascular/VTK,sankhesh/VTK,mspark93/VTK,mspark93/VTK,keithroe/vtkoptix,SimVascular/VTK,sumedhasingla/VTK,keithroe/vtkoptix,keithroe/vtkoptix,gram526/VTK,gram526/VTK,mspark93/VTK,sumedhasingla/VTK,gram526/VTK,sankhesh/VTK,gram526/VTK,sumedhasingla/VTK,keithroe/vtkoptix,keithroe/vtkoptix,sumedhasingla/VTK,sankhesh/VTK,sumedhasingla/VTK,gram526/VTK,sankhesh/VTK,SimVascular/VTK,keithroe/vtkoptix,mspark93/VTK,SimVascular/VTK,sumedhasingla/VTK,mspark93/VTK,sankhesh/VTK,keithroe/vtkoptix,SimVascular/VTK,gram526/VTK,sumedhasingla/VTK,gram526/VTK,mspark93/VTK,sankhesh/VTK,gram526/VTK,mspark93/VTK,keithroe/vtkoptix,sankhesh/VTK,SimVascular/VTK,mspark93/VTK,SimVascular/VTK,sankhesh/VTK,sumedhasingla/VTK