Add metadata_from_manifest test
Add metadata_from_manifest test

AZ944

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