Purge support for OS X 10.5 and Carbon

CMake/CTestCustom.cmake.in

CMake/vtkOpenGLMesaLogic.cmake

CMakeLists.txt

Common/Core/vtkMultiThreader.cxx

Examples/ParallelProcessing/Generic/Cxx/CMakeLists.txt

GUISupport/Qt/CMakeLists.txt

GUISupport/Qt/QVTKWidget.cxx

GUISupport/Qt/QVTKWidget.h

Rendering/Core/vtkGraphicsFactory.cxx

Rendering/OpenGL/CMakeLists.txt

Rendering/OpenGL/vtkCarbonRenderWindow.cxx

Rendering/OpenGL/vtkCarbonRenderWindow.h

Rendering/OpenGL/vtkCarbonRenderWindowInteractor.cxx

Rendering/OpenGL/vtkCarbonRenderWindowInteractor.h

Rendering/OpenGL/vtkChooserPainter.cxx

Rendering/OpenGL/vtkCocoaMacOSXSDKCompatibility.h

Rendering/OpenGL/vtkCocoaRenderWindow.h

Rendering/OpenGL/vtkOpenGL.h

Rendering/OpenGL/vtkOpenGLExtensionManager.cxx

Rendering/OpenGL/vtkRenderingOpenGLConfigure.h.in