message: Updates copyright year for two top-level files: LICENSE and RELEASE
  Also adds a note to the update_copyright_date script about these
  since they are not captured by the filter in that file.
diff: # Note: The following files do not fit this pattern and require hand editing
  # (or integration into this script):
  #
  -# * sphinx configuration files with filenames of the form '*/docs/*/conf.py'
  +# - Top-level files: LICENSE, RELEASE
  +#
  +# - sphinx configuration files with filenames of the form '*/docs/*/conf.py'
  # They can be listed using: 'git ls-files | grep conf.py'
  #
  #=============================================================================
  