Added checks for minimum required compiler versions
Added checks for minimum required compiler versions

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