jdewit/AvroCsvBundle — pull request #4 by krizon (2012-08-06 14:33:09+00:00)
Title: Add default config nodes for import node by adding addDefaultsIfNotSet

Problem:

Using this bundle as plug-and-play without any custom configuration didn't work and I got the following exception:
```
[ErrorException]
Notice: Undefined index: import in /...project.../vendor/avro/csv-bundle/Avro/CsvBundle/DependencyInjection/AvroCsvExtension.php line 27
```

Solution:

I added the addDefaultsIfNotSet method to the import array node so that the defined children are handled as defaults when no children are defined within the application.