Minor changes to riak_auth, because it was blowing up after getting {ok, []} back from riakc.
Minor changes to riak_auth, because it was blowing up after getting {ok, []} back from riakc.

SkewedAspect/precursors-server,SkewedAspect/precursors-server,SkewedAspect/precursors-server,SkewedAspect/precursors-server