Update to OpenStack Swift Havana

To update to Havana, we needed to change the
return status of the unit tests to code 303
which means See Other

Change-Id: I068fddae6e3f0f9d77c2eebd54fba1f91dfeb025
Signed-off-by: Luis Pabon <lpabon@redhat.com>
Reviewed-on: http://review.gluster.org/6227
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Tested-by: Prashanth Pai <ppai@redhat.com>