Set NOTIFICATION_QUEUE_ALL = True and emit notices every 5 min or so.

Currently it fails:

filmaster@filmaster:~/film20/film20$ python manage.py emit_notices
------------------------------------------------------------------------
acquiring lock...
acquired.
emitting notice to tremor
[<User: tremor>]
an exception occurred: ImportError('No module named imdb_fetcher',)
releasing lock...
released.

0 batches, 0 sent