backend clients are now completely decoupled from the node manager/clients logic
remove º caracter
Conflicts:
	lib/redis_failover/clients/client_impl.rb
Merge branch 'fanhattan' into refactor

Conflicts:
	lib/redis_failover/clients/client_impl.rb
Better error handling
Removed called to old methods
Symbolized key for etcd config
Fixed some zookeeper issues
Added comments
Merge pull request #40 from fanhattan/refactor

Refactor