Removing urls.py as app.py is currently used instead

Switching to using the module loader to allow for easier overriding
SearchQuerySet.facet returns a clone of itself so we have to assign is back to itself whenever we add a new facet

oscar/apps/search/app.py

@@ -3,10 +3,11 @@
 from haystack.query import SearchQuerySet
 
 from oscar.core.application import Application
-from oscar.apps.search.views import SuggestionsView, MultiFacetedSearchView
-from oscar.apps.search.search_indexes import ProductIndex
-from oscar.apps.search.forms import MultiFacetedSearchForm
+from oscar.core.loading import import_module
 
+import_module('search.views', ['SuggestionsView', 'MultiFacetedSearchView'], locals())
+import_module('search.search_indexes', ['ProductIndex'], locals())
+import_module('search.forms', ['MultiFacetedSearchForm'], locals())
 
 class SearchApplication(Application):
     name = 'search'
@@ -19,7 +20,7 @@ def get_urls(self):
         for field_name, field in ProductIndex.fields.items():
             if field.faceted is True:
                 # Ensure we facet the results set by the defined facetable fields
-                sqs.facet(field_name)
+                sqs = sqs.facet(field_name)
 
         urlpatterns = patterns('',
             url(r'^suggest/$', self.suggestions_view.as_view(), name='suggest'),
@@ -29,4 +30,4 @@ def get_urls(self):
         return self.post_process_urls(urlpatterns)
 
 
-application = SearchApplication()
+application = SearchApplication()