Simplify ring metadata to use an outer dictionary and an inner record instead of two dictionaries.
Simplify ring metadata to use an outer dictionary and an inner record instead of two dictionaries.

xuejianhai/riak,basho/riak_search,elkingtonmcb/riak,basho/riak_search,wwezhuimeng/riak_search,planobe/riak,xuejianhai/riak_search,basho/riak,xuejianhai/riak_search,authbox-lib/riak,laurenrother/riak,DavidAlphaFox/riak,planobe/riak,amyvmiwei/riak,GabrielNicolasAvellaneda/riak,wwezhuimeng/riak_search,biddyweb/riak,yangchengjian/riak,glickbot/riak