Merge pull request django-haystack#33 from stephenmcd/develop

Handle multiple write-enabled haystack routers

Author: jezdez

celery_haystack/signals.py

@@ -42,4 +42,3 @@ def enqueue(self, action, instance, sender, **kwargs):
                 if action == 'update' and not index.should_update(instance):
                     continue
                 enqueue_task(action, instance)
-                return  # Only enqueue instance once