Use Result object for subdoc
Use Result object for subdoc

Depends on: http://review.couchbase.org/#/c/51285/

Change-Id: If2d95ec27c9f05039211f8e625b1c660bcdff839
Reviewed-on: http://review.couchbase.org/51287
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

owendCB/memcached,cloudrain21/memcached-1,cloudrain21/memcached-1,couchbase/memcached,cloudrain21/memcached-1,couchbase/memcached,daverigby/memcached,daverigby/memcached,owendCB/memcached,daverigby/memcached,daverigby/kv_engine,couchbase/memcached,daverigby/kv_engine,cloudrain21/memcached-1,daverigby/memcached,owendCB/memcached,daverigby/kv_engine,daverigby/kv_engine,owendCB/memcached,couchbase/memcached