Put a note in cmake.py on the origin of cmake.py

doc/cmake.py

 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
 # file Copyright.txt or https://cmake.org/licensing for details.
 
+# Team SMNG note: This file comes from here: https://github.com/Kitware/CMake/blob/master/Utilities/Sphinx/cmake.py
+
 import os
 import re