[Checkins] [zopefoundation/AccessControl] 512dfa: Added `override_container` context manager. (#22)

[GitHub]

  Branch: refs/heads/2.13
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: 512dfac3a71657cf1db24a999bea7765284fa169
      https://github.com/zopefoundation/AccessControl/commit/512dfac3a71657cf1db24a999bea7765284fa169
  Author: Maurits van Rees <maurits at vanrees.org>
  Date:   2017-02-01 (Wed, 01 Feb 2017)

  Changed paths:
    M CHANGES.txt
    M src/AccessControl/SimpleObjectPolicies.py
    M src/AccessControl/tests/testZopeSecurityPolicy.py

  Log Message:
  -----------
  Added `override_container` context manager. (#22)

Added `override_container` context manager.