Riak 2 Feature: Yokozuna

![It's Happening](http://i.imgur.com/VSs5PQs.gif)

Refer to https://github.com/basho/yokozuna/wiki/Client-Test-Checklist

# Schema Management / DDL

- [ ] Create schema
- [ ] Read schema
- [ ] Create index
- [ ] List indexes
- [ ] Read index
- [ ] Associate indexes with buckets

# Queries / DML

- [ ] Integration test that stuff actually gets indexed
- [ ] Single term queries
- [ ] Multiple term queries
- [ ] Boolean logic queries
- [ ] Range queries
- [ ] Phrase queries
- [ ] Wildcard queries
- [ ] Regexp queries
- [ ] Parameters: start/offset, rows/limit, fl, etc: https://github.com/basho/riak_pb/blob/master/src/riak_search.proto
- [ ] Integration test that it's all UTF-8