Updated openstack/openstack
Project: openstack/swift  b4121d8f36afa62fd0c36c6e09a4a9db945e942a

Add debug logging to container sync requests

Also fixed a bug where SimpleClient would send ?format=json for object
requests, which is not necessary.

Change-Id: If06a7dcebc9de2d7c8b28a046d60b902dae821c1