Instrument the zerovm app runs via statsd

- `zap_transfer_time` = the amount of time it took to transfer the zap
  to the object-server node which houses the object used as input.

- `zap_failed_execution` = the number of zaps that returned a non-zero,
  non-one exit code.

- `zap_server_time` = the real time that passed on the server when
  executing the zap

- `zap_system_time` = cpu system time used by the zap execution

- `zap_user_time` = cpu user time used by the zap execution

- `zap_memory_used` = memory used by the zap execution

- `zap_swap_used` = swap used by the zap execution

- `zap_reads_from_disk` = the number of disk reads made by the zap execution

- `zap_bytes_read_from_disk` = the number of bytes read from the disk
  in zap execution

- `zap_writes_to_disk` = the number of disk writes made by the zap execution

- `zap_bytes_written_to_disk` = the number of bytes written to disk in
  zap execution

- `zap_reads_from_network` = the number of network reads made by the
  zap execution

- `zap_bytes_read_from_network` = the number of bytes read from
  network in zap execution

- `zap_writes_to_network` = the number of writes made to the network
  in zap execution

- `zap_bytes_written_to_network` = the number of bytes written to the
  network in zap execution