symfony/symfony — pull request #7018 by igorw (2013-02-07 22:43:31+00:00)
Title: [DependencyInjection] Allow frozen containers to be dumped to graphviz (2.1 merge)

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| License | MIT

This is the 2.1 merge for #7017 with an addition for 2.1 specifically.

> Note: The diff currently still contains commits from `2.0` which are not in `2.1` yet.