Add funcs for translating between bucket names and bucket types
Add funcs for translating between bucket names and bucket types

AZ944

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