symfony/symfony — pull request #3222 by havvg (2012-01-30 13:21:16+00:00)
Title: allow unsetting parentAcl on MutableAclInterface

Bug fix: yes
Feature addition: no
Backwards compatibility break: yes
Symfony2 tests pass: yes

The #3151 rebased onto master.
Sorry for the delay, was on vacations.

```plain
 symfony2 git:acl-unset-parent ✔ phpunit tests/Symfony/Tests/Component/Security ~/Web Development/symfony2
PHPUnit 3.6.4 by Sebastian Bergmann.

Configuration read from /Users/havvg/Web Development/symfony2/phpunit.xml

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.................................................

Time: 15 seconds, Memory: 49.00Mb

OK (427 tests, 1180 assertions)
```