Add a stderr and stdout to the Celery commands
Add a stderr and stdout to the Celery commands

The management commands are broken with Django 1.7, which complains because the Command has no std[out|err] attribute.

kanemra/django-celery,iris-edu-int/django-celery,celery/django-celery,kanemra/django-celery,iris-edu-int/django-celery,tkanemoto/django-celery,georgewhewell/django-celery,axiom-data-science/django-celery,georgewhewell/django-celery,axiom-data-science/django-celery,axiom-data-science/django-celery,celery/django-celery,digimarc/django-celery,digimarc/django-celery,georgewhewell/django-celery,Amanit/django-celery,Amanit/django-celery,Amanit/django-celery,digimarc/django-celery,celery/django-celery,iris-edu-int/django-celery,kanemra/django-celery,tkanemoto/django-celery,tkanemoto/django-celery