Add an eqc to test riak_cs issue 949.
Add an eqc to test riak_cs issue 949.

GabrielNicolasAvellaneda/riak_cs,yangchengjian/riak_cs,dragonfax/riak_cs,GabrielNicolasAvellaneda/riak_cs,basho/riak_cs,GabrielNicolasAvellaneda/riak_cs,dragonfax/riak_cs,sdebnath/riak_cs,laurenrother/riak_cs,laurenrother/riak_cs,basho/riak_cs,sdebnath/riak_cs,sdebnath/riak_cs,sdebnath/riak_cs,dragonfax/riak_cs,yangchengjian/riak_cs,yangchengjian/riak_cs,basho/riak_cs,GabrielNicolasAvellaneda/riak_cs,laurenrother/riak_cs,yangchengjian/riak_cs,dragonfax/riak_cs,laurenrother/riak_cs,basho/riak_cs