Convert much of the regression tests to use absolute imports. There's still work to be done though.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16976 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/admin_scripts/complex_app/models/foo.py

@@ -1,5 +1,6 @@
 from django.db import models
 
+
 class Foo(models.Model):
     name = models.CharField(max_length=5)
     class Meta: