fix koberger's stuff. I'm committing so I can get the 700 points! :)

apps/addons/models.py

@@ -196,7 +196,7 @@ class Addon(amo.models.ModelBase):
                                           through='AddonDependency',
                                           related_name='addons')
 
-    categories = models.ManyToManyField('Category',
+    categories = models.ManyToManyField('Category', through='AddonCategory',
                                          related_name='addons')
 
     _current_version = models.ForeignKey(Version, related_name='___ignore',

settings.py

@@ -6,8 +6,6 @@ import logging
 import socket
 import product_details
 
-from django.utils.translation import trans_real as translation
-
 try:
     # If we have build ids available, we'll grab them here and add them to our
     # CACHE_PREFIX.  This will let us not have to flush memcache during updates