Added the support for Symfony 2.1 by making the code automatically determine the extension based on the version of Symfony kernel.
Added the support for Symfony 2.1 by making the code automatically determine the extension based on the version of Symfony kernel.

daagmbh/TranslationEditorBundle,gepo/TranslationEditorBundle,gepo/TranslationEditorBundle,instaclick/TranslationEditorBundle,daagmbh/TranslationEditorBundle