fix bug that caused rediagonalization of ring ownership on every node removal
fix bug that caused rediagonalization of ring ownership on every node removal

trung/riak-webui,trung/riak-webui,trung/riak-webui,trung/riak-webui,trung/riak-webui,trung/riak-webui,trung/riak-webui,trung/riak-webui