Convert all modeltests to use absolute imports, rather than relative ones.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16975 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/reserved_names/models.py

@@ -9,6 +9,7 @@ reserved-name usage.
 
 from django.db import models
 
+
 class Thing(models.Model):
     when = models.CharField(max_length=1, primary_key=True)
     join = models.CharField(max_length=1)