[pygobject] Created tag 3.27.4

[Christoph Reiter <creiter src gnome org>]

The signed tag '3.27.4' was created.

Tagger: Christoph Reiter <reiter christoph gmail com>
Date: 1518570912 +0100

    release 3.27.4

Changes since the last tag '3.27.3':

Christoph Reiter (15):
      version bump
      tests: Make patching in pygtkcompat reversible
      tests: Make it possible to use pytest directly
      docs: fix build with sphinx 1.7.0
      tests: Fix tests under Wayland. Fixes #163
      Revert "to python struct marshalling: copy boxed during cleanup"
      Revert "to python marshalling: collect cleanup data"
      Revert "pygi-boxed: make in-place copy safer"
      Revert "Revert "Refactor boxed wrapper memory management strategy""
      tests: add a test for Gio.DBusNodeInfo.new_for_xml, see #164
      setup.py: set the same env vars for testing as autotools
      gitlab-ci: Install pytest-faulthandler
      setup.py: cache pkg-config calls
      Fix make distcheck
      release