release 1.1.0

Full compatibility with v1.0

Server/Broker：

• Add Java Service Wrapper supported
• Default Encode/Decode is byte array. 2dbc332
• Add a mbean ServerInfo，descripting version and running information
• Add a script 'getoffset-console.sh'; fetching the offset of broker
• Add a dumper who can dump utf-8 string message
• Change default rebalance backoff time to 10 seconds
• Add log4j.properties to default CLASSPATH
• Add a simple INSTALL file
• Default server/broker runs without zookeeper
• fixed mbean registed duplicate
• most I/O interface is closeable, using Closers tools to close them
• many comments updated and more readable logs
• add third-part LICENSE

Client：

• Do not update offset while no message been consumed f7d344f3
• Fixed producer cannot receive new topic partitions #2
• Turning on TCP NODELAY in the Simple Consumer a8b93d6b
• upgrade zookeeper client to 3.3.5, fixed zookeeper bug(961,1091)