Incenteev/ParameterHandler — pull request #49 by diegomarangoni (2014-02-28 16:08:00+00:00)
Title: Add support to php file format

Added support to php file format.
Useful when using outside Symfony project (eg. Silex)

```json
"extra": {
"incenteev-parameters": {
"file": "cfg/parameters.php",
"file-extension": "php"
}
}
```