public static void main(String[] args) throws Exception {
    Configuration conf = HBaseConfiguration.create();
    int ret = ToolRunner.run(conf, new MobRefReporter(), args);
    System.exit(ret);
  }
Main method for the tool.
@return 0 if success, 1 for bad args. 2 if job aborted with an exception, 3 if mr job was
        unsuccessful
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mob/mapreduce/MobRefReporter.java