Mass product saver using a direct to database approach to speed product saving.

Must be used as dependency in 1.4.0 to 1.4.12 projects when using MongoDB storage.

This behavior became default in 1.4.13. This bundle will be deprecated.

When using this bundle, the http://docs.akeneo.com/1.4/cookbook/import_export/mongodb-fast-writer.html is not required anymore, it is deprecated since 1.4.13 and will be removed in 1.6.