Replace Twig_Filter_Method by Twig_SimpleFilter
Merge branch 'master' of github.com:lafourchette/L10nBundle
Change default to fallback names
Fix TU if mongo is not loaded
Remove export_dir parameter
Refacto L10nYamlManager
Fix typo
Revert empty test
Add TU and refacto
Merge pull request #35 from oversanne/master

PR accepted.
Unit tests will be completed later.