[Checkins] [zopefoundation/ZConfig] 5bbddf: add pygments lexer for zconfig configuration syntax

[Fred Drake]

  Branch: refs/heads/fd-pygments
  Home:   https://github.com/zopefoundation/ZConfig
  Commit: 5bbddfe816b42660ecd8f424acfb2cf06adc4938
      https://github.com/zopefoundation/ZConfig/commit/5bbddfe816b42660ecd8f424acfb2cf06adc4938
  Author: Fred Drake <fred.drake at keepertech.com>
  Date:   2019-09-23 (Mon, 23 Sep 2019)

  Changed paths:
    M CHANGES.rst
    A ZConfig/pygments.py
    M ZConfig/substitution.py
    A ZConfig/tests/test_pygments.py
    M setup.py
    M tox.ini

  Log Message:
  -----------
  add pygments lexer for zconfig configuration syntax

- closes issue #71