Revert "Merge pull request #72 from basho/feature/cluster-state-subscribe"
Revert "Merge pull request #72 from basho/feature/cluster-state-subscribe"

This reverts commit 43de5df7efb4340523f1e9542fc879fe9a7d18ee, reversing
changes made to e7e963396143be4e992ced19dace9cbc547e3677.

basho/riak_ensemble,basho/riak_ensemble