add form to formatter

The formatter can add a form. This form is handle by controller and exportManager.

[WIP] The csv formatter ask the user to ordering the aggregators.

Resources/config/services.yml

@@ -186,5 +186,6 @@ services:
         class: Chill\MainBundle\Export\Formatter\CSVFormatter
         arguments:
             - "@translator"
+            - "@chill.main.export_manager"
         tags:
             - { name: chill.export_formatter, alias: 'csv' }