basho/riak_cs — pull request #966 by kuenishi (2014-09-09 07:17:26+00:00)
Title: Copy riak_cs_s3_response to riak_test/ebin

`mp_upload_test' uses riak_cs_s3_response to in one of its assertion.
Not sure why it has passed since now but copying it every compile
time fixes it.