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/comment_tests/custom_comments/views.py

@@ -1,5 +1,6 @@
 from django.http import HttpResponse
 
+
 def custom_submit_comment(request):
     return HttpResponse("Hello from the custom submit comment view.")