Fixed issue 25:When slave crash,producer must not keep sending message to master when using sync replications
Revert commit,issue 25 won't be fixed
Increase rebalance retry count to 10
receiveMessages can response thread's interrupt
Impls local mode for broker,it will startup a embed zookeeper
Don't block zookeeper thread when rebalance
Prevent duplicated messages
Reference request by FetchRequestQueue
Added RejectConsumptionHandler to process messages that retris failed too many times
Synchronized rebalance
Fixed log
Imporve append buffer in message store,reduced lock range
Keep readonly to be consistent with user setting
Dont checking state before set partition to message
Check name's length before adding it
Update max rebalance retry number to be 7
Fixed zkRoot config key error
Process ExecutionException properly
Add config/scripts for travis-ci.org
Make scripts executable