Fix missing translation of gallery context
Fix missing translation of gallery context

jerome-fix/SonataMediaBundle,jerome-fix/SonataMediaBundle,jerome-fix/SonataMediaBundle,hug963/SonataMediaBundle,hug963/SonataMediaBundle,hug963/SonataMediaBundle,sonata-project/SonataMediaBundle,hug963/SonataMediaBundle,jerome-fix/SonataMediaBundle,hug963/SonataMediaBundle