Log "ops" events do not log the hostname

[jainnitin]

In Good 2.3.0, an example ops event looks like as follows:
Notice that there is no hostname logged without which its not possible to tell which server emitted this log.

{
  "event": "ops",
  "timestamp": 1410475880719,
  "os": {
    "load": [1.4755859375, 1.31201171875, 1.31982421875],
    "mem": {
      "total": 17179869184,
      "free": 3952799744
    },
    "uptime": 782823
  },
  "proc": {
    "uptime": 3450,
    "mem": {
      "rss": 84946944,
      "heapTotal": 69539072,
      "heapUsed": 35637192
    },
    "delay": 0.10170799493789673
  },
  "load": {
    "requests": {
      "8080": {
        "total": 0,
        "disconnects": 0,
        "statusCodes": {}
      }
    },
    "concurrents": {
      "8080": 0
    },
    "responseTimes": {
      "8080": {
        "avg": 0,
        "max": 0
      }
    }
  }
}

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