Bug 932 - Fix "riak-admin transfers" regression: "No transfers active\n" message missing
Bug 932 - Fix "riak-admin transfers" regression: "No transfers active\n" message missing

Put back the "No transfers active" message.  Also, change the
return value for the function so that "riak-admin"'s exit status
can tell the difference between 0 and non-0 transfers active.

andytill/riak_kv