Enhance documentation for get_email command

docs/configuration.rst

@@ -22,6 +22,13 @@ Before django-helpdesk will be much use, you need to do some basic configuration
  If you wish to use `celery` instead of cron, you must add 'django_celery_beat' to `INSTALLED_APPS` and add a periodic celery task through the Django admin.
 
    You will need to create a support queue, and associated login/host values, in the Django admin interface, in order for mail to be picked-up from the mail server and placed in the tickets table of your database. The values in the settings file alone, will not create the necessary values to trigger the get_email function.
+   
+   DEBUGGING EMAIL EXTRACTION
+   ==========================
+   You can run the management command manually from the command line with additional commands options:
+       **debug_to_stdout** - set this when manually running the command from a terminal so that additional debugging about which queues are being processed is written to stdout (console by default)
+   For example: 
+       **/path/to/helpdesksite/manage.py get_email --debug_to_stdout**
 
 4. If you wish to automatically escalate tickets based on their age, set up a cronjob to run the escalation command on a regular basis::