Move yokozuna specs into bryans integration template
kickoff incomplete utf8 test
Merge remote-tracking branch 'origin/bk-yokozuna' into bk-remove-http

Conflicts:
	spec/integration/riak/yokozuna_spec.rb
yz specs use test_client instead of test_server
Test client shouldn't use more than one node, 
provide advice about that.
Simplify existence check.
Provide a case for no documents returned.