[Checkins] [zopefoundation/zope.tales] 8f7b7e: Fix deprecation warnings (#17)

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.tales
  Commit: 8f7b7e08b5c2775abf9a01a1ed3e1bbf6dac3e52
      https://github.com/zopefoundation/zope.tales/commit/8f7b7e08b5c2775abf9a01a1ed3e1bbf6dac3e52
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-04-05 (Fri, 05 Apr 2019)

  Changed paths:
    M .coveragerc
    M .travis.yml
    M CHANGES.rst
    M setup.py
    M src/zope/tales/tales.py
    M src/zope/tales/tests/__init__.py
    M src/zope/tales/tests/test_expressions.py
    M src/zope/tales/tests/test_tales.py
    M tox.ini

  Log Message:
  -----------
  Fix deprecation warnings (#17)

* Drop support for Python 3.4.

Its test cannot be run any more because `zope.testrunner` no longer supports
Python 3.4