merge salv's branch for bug834013

diff --cc quantum/api/api_common.py
index 6f0f5477e38c8e1870e61322bf9abbbbd4b62117,8b0fa0e62e4252a863d87006339572ce50446d74..0fb68696e8beb6b531cd26a852c3cfffc6e4eb42
--- 1/quantum/api/api_common.py
--- 2/quantum/api/api_common.py
+++ b/quantum/api/api_common.py
@@@ -59,5 -60,23 +60,24 @@@ class QuantumController(wsgi.Controller
                      LOG.error(line)
                  raise exc.HTTPBadRequest(msg)
              results[param_name] = param_value or param.get('default-value')
 +
          return results
+ 
+     def _build_response(self, req, res_data, status_code=200):
+         """ A function which builds an HTTP response
+             given a status code and a dictionary containing
+             the response body to be serialized
+ 
+         """
+         content_type = req.best_match_content_type()
+         default_xmlns = self.get_default_xmlns(req)
+         body = self._serialize(res_data, content_type, default_xmlns)
+ 
+         response = webob.Response()
+         response.status = status_code
+         response.headers['Content-Type'] = content_type
+         response.body = body
+         msg_dict = dict(url=req.url, status=response.status_int)
+         msg = _("%(url)s returned with HTTP %(status)d") % msg_dict
+         LOG.debug(msg)
+         return response

diff --cc quantum/client.py
Simple merge

diff --cc tests/unit/test_api.py
Simple merge