Update pytest to 3.5.0

[pyup-bot]

This PR updates pytest from 3.4.1 to 3.5.0.

Changelog

3.4.2

=========================

Bug Fixes
---------

- Removed progress information when capture option is ``no``. (`3203
<https://github.com/pytest-dev/pytest/issues/3203>`_)

- Refactor check of bindir from ``exists`` to ``isdir``. (`3241
<https://github.com/pytest-dev/pytest/issues/3241>`_)

- Fix ``TypeError`` issue when using ``approx`` with a ``Decimal`` value.
(`3247 <https://github.com/pytest-dev/pytest/issues/3247>`_)

- Fix reference cycle generated when using the ``request`` fixture. (`3249
<https://github.com/pytest-dev/pytest/issues/3249>`_)

- ``[tool:pytest]`` sections in ``*.cfg`` files passed by the ``-c`` option are
now properly recognized. (`3260
<https://github.com/pytest-dev/pytest/issues/3260>`_)


Improved Documentation
----------------------

- Add logging plugin to plugins list. (`3209
<https://github.com/pytest-dev/pytest/issues/3209>`_)


Trivial/Internal Changes
------------------------

- Fix minor typo in fixture.rst (`3259
<https://github.com/pytest-dev/pytest/issues/3259>`_)

Links

• PyPI: https://pypi.python.org/pypi/pytest
• Changelog: https://pyup.io/changelogs/pytest/
• Repo: https://github.com/pytest-dev/pytest/issues
• Homepage: http://pytest.org

[pyup-bot]

Closing this in favor of #121