Permit local configuration of Django LOGGING

[ktims]

It would be useful to permit local configuration of the Django LOGGING setting. Currently if custom LOGGING is desired, it must be configured in settings.py, but this is part of the distribution. Simple change, as the facility to import local settings is already there.

diff --git a/netbox/netbox/settings.py b/netbox/netbox/settings.py
index ae81d26..c1daf42 100644
--- a/netbox/netbox/settings.py
+++ b/netbox/netbox/settings.py
@@ -15,7 +15,7 @@ except ImportError:
 VERSION = '1.9.3'
 
 # Import local configuration
-for setting in ['ALLOWED_HOSTS', 'DATABASE', 'SECRET_KEY']:
+for setting in ['ALLOWED_HOSTS', 'DATABASE', 'SECRET_KEY', 'LOGGING']:
     try:
         globals()[setting] = getattr(configuration, setting)
     except AttributeError:

[jeremystretch]

FYI the code above would make LOGGING a mandatory setting, which is not what we want.