[dependency_injection] added a small explanation about how to convert a Graphviz dot file to an image in PHPDoc
[dependency_injection] added a small explanation about how to convert a Graphviz dot file to an image in PHPDoc

git-svn-id: 87d89e816fdda9f69698cd9a0858dec559557a2f@20400 ee427ae8-e902-0410-961c-c3ed070cd9f9

fabpot-graveyard/dependency-injection