Localization: Fix setup.py install/develop

After I removed the @translation_manager.command decorators the setup
install was failing because translations was not found in pillar.cli.

pillar/cli/__init__.py

@@ -12,6 +12,7 @@ from pillar.cli.celery import manager_celery
 from pillar.cli.maintenance import manager_maintenance
 from pillar.cli.operations import manager_operations
 from pillar.cli.setup import manager_setup
+from pillar.cli import translations
 
 log = logging.getLogger(__name__)
 manager = Manager(current_app)