Document uuidgen dependency for ceph's s3-tests
Document uuidgen dependency for ceph's s3-tests

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