Merge pull request django-haystack#698 from gjb83/master

Fixed deprecation warning for url imports on Django 1.3

Thanks to @gjb83 for the patch.

Author: acdha

haystack/urls.py

@@ -1,4 +1,7 @@
-from django.conf.urls.defaults import *
+try:
+    from django.conf.urls import patterns, url
+except ImportError:
+    from django.conf.urls.defaults import patterns, url
 from haystack.views import SearchView