added riak_control.schema
added riak_control.schema

DavidAlphaFox/riak,authbox-lib/riak,GabrielNicolasAvellaneda/riak,biddyweb/riak,glickbot/riak,laurenrother/riak,basho/riak,yangchengjian/riak,elkingtonmcb/riak,amyvmiwei/riak