README updates for 1.3 release
README updates for 1.3 release

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