message: Include sample Python scripts as part of build
  The Python utility examples in python/Scripts have been mentioned as references so it seems useful to add these to the distribution. Also integrations that use installs can call these as desired for things like texture baking, code generation etc.
diff: @@ -7,6 +7,7 @@ add_custom_command(OUTPUT ${SETUP_PY}
  COMMAND ${PYTHON} ${SETUP_PY} build)
  install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/MaterialX" DESTINATION "python" MESSAGE_NEVER)
  +install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/Scripts" DESTINATION "python" MESSAGE_NEVER)
  if(MATERIALX_PYTHON_OCIO_DIR)
  if(NOT EXISTS "${MATERIALX_PYTHON_OCIO_DIR}/config.ocio")
  