Setup HBase and ZooKeeper on Mac

Reference: ZooKeeper installation,  HBase Installation

Based on previous article of Hadoop version,  use:
* zookeeper-3.4.6
* hbase-1.1.1

Install Zookeeper firstly, start it.
>bin/zkServer.sh start
Client can test connecting to it:
>bin/zkCli.sh -server 127.0.0.1:2181

Then install HBase.

[note] in HBase config, hdfs://localhost:8020 => hdfs://localhost:9000