build categoryAxis from Array and have data properly align

Wrong feed

better json sample

{
  "top3Departments": {
    "Top3Departments": [
      {
        "workgrp": "ONY",
        "numberOfHits": 2529,
        "departmentName": "ANONYMOUS"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 2395,
        "departmentName": "UNKNOWN"
      }
    ]
  },
  "departmentInfoDS": {
    "DeptStats": [
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 28,
        "recorddate": "2016-05-12T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 1000,
        "recorddate": "2016-05-23T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 669,
        "recorddate": "2016-05-24T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 118,
        "recorddate": "2016-05-25T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 116,
        "recorddate": "2016-05-26T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 116,
        "recorddate": "2016-05-27T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 116,
        "recorddate": "2016-05-28T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 116,
        "recorddate": "2016-05-29T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "UNKNOWN",
        "numberOfHits": 116,
        "recorddate": "2016-05-30T00:00:00",
        "departmenttitle": "UNKNOWN"
      },
      {
        "workgrp": "ONY",
        "numberOfHits": 1972,
        "recorddate": "2016-05-12T00:00:00",
        "departmenttitle": "ANONYMOUS"
      },
      {
        "workgrp": "ONY",
        "numberOfHits": 333,
        "recorddate": "2016-05-24T00:00:00",
        "departmenttitle": "ANONYMOUS"
      },
      {
        "workgrp": "ONY",
        "numberOfHits": 224,
        "recorddate": "2016-05-25T00:00:00",
        "departmenttitle": "ANONYMOUS"
      }
    ]
  },
  "chartDates": {
    "chartdates": [
      {
        "recorddate": "2016-05-12T00:00:00"
      },
      {
        "recorddate": "2016-05-23T00:00:00"
      },
      {
        "recorddate": "2016-05-24T00:00:00"
      },
      {
        "recorddate": "2016-05-25T00:00:00"
      },
      {
        "recorddate": "2016-05-26T00:00:00"
      },
      {
        "recorddate": "2016-05-27T00:00:00"
      },
      {
        "recorddate": "2016-05-28T00:00:00"
      },
      {
        "recorddate": "2016-05-29T00:00:00"
      },
      {
        "recorddate": "2016-05-30T00:00:00"
      }
    ]
  },
  "deptChartObjects": [
    {
      "hits": [
        1972,
        333,
        224
      ],
      "hitDates": [
        "2016-05-12T00:00:00",
        "2016-05-24T00:00:00",
        "2016-05-25T00:00:00"
      ],
      "name": "ANONYMOUS"
    },
    {
      "hits": [
        28,
        1000,
        669,
        118,
        116,
        116,
        116,
        116,
        116
      ],
      "hitDates": [
        "2016-05-12T00:00:00",
        "2016-05-23T00:00:00",
        "2016-05-24T00:00:00",
        "2016-05-25T00:00:00",
        "2016-05-26T00:00:00",
        "2016-05-27T00:00:00",
        "2016-05-28T00:00:00",
        "2016-05-29T00:00:00",
        "2016-05-30T00:00:00"
      ],
      "name": "UNKNOWN"
    }
  ],
  "departmentID": "TOP3",
  "departmentName": "NOT FOUND",
  "fromDTStr": "05-01-2016",
  "toDTStr": "05-30-2016",
  "totalHits": 4924,
  "chartJSON": null
}