Cluster: rebalancing option --simulate, and a fix.
Cluster: rebalancing option --simulate, and a fix.

splitice/redis,maodeyi/redis_lua,louisliangjun/redis,louisliangjun/redis,splitice/redis,louisliangjun/redis,maodeyi/redis_lua,splitice/redis,louisliangjun/redis,ramonsnir/redis,ramonsnir/redis,splitice/redis,maodeyi/redis_lua,ramonsnir/redis