Set default to not populate an accessor for historical models on the User model

Author: macro1

CHANGES.rst

@@ -5,6 +5,7 @@ tip (unreleased)
 ----------------
 - Add support for Django 1.8+
 - Deprecated use of ``CustomForeignKeyField`` (to be removed)
+- Remove default reverse accessor to `auth.User` for historical models (gh-121)
 
 1.5.4 (2015-01-03)
 ------------------

simple_history/models.py

@@ -37,7 +37,7 @@ class HistoricalRecords(object):
     thread = threading.local()
 
     def __init__(self, verbose_name=None, bases=(models.Model,),
-                 user_related_name=None):
+                 user_related_name='+'):
         self.user_set_verbose_name = verbose_name
         self.user_related_name = user_related_name
         try: