anchor.diff:                "forecasts": [
                   {
                     "period": "PT24H",
  -                  "validFrom": "2017-05-09T23:00:00Z",
  -                  "validUntil": "2017-05-10T23:00:00Z",
  -                  "pollenForecastRegion": "SE",
  -                  "pollenForecastRegionName": "London & South East England",
  -                  "pollenIndex": "Moderate",
  -                  "issuedAt": "2017-05-10T04:45:57Z"
  -                },
  -                {
  -                  "period": "PT24H",
  -                  "validFrom": "2017-05-10T23:00:00Z",
  -                  "validUntil": "2017-05-11T23:00:00Z",
  -                  "pollenForecastRegion": "SE",
  -                  "pollenForecastRegionName": "London & South East England",
  -                  "pollenIndex": "Moderate",
  -                  "issuedAt": "2017-05-10T04:45:57Z"
  -                },
  -                {
  -                  "period": "PT24H",
  -                  "validFrom": "2017-05-11T23:00:00Z",
  -                  "validUntil": "2017-05-12T23:00:00Z",
  -                  "pollenForecastRegion": "SE",
  -                  "pollenForecastRegionName": "London & South East England",
  -                  "pollenIndex": "Moderate",
  -                  "issuedAt": "2017-05-10T04:45:57Z"
  -                },
  -                {
  -                  "period": "PT24H",
  -                  "validFrom": "2017-05-12T23:00:00Z",
  -                  "validUntil": "2017-05-13T23:00:00Z",
  -                  "pollenForecastRegion": "SE",
  -                  "pollenForecastRegionName": "London & South East England",
  -                  "pollenIndex": "Moderate",
  -                  "issuedAt": "2017-05-10T04:45:57Z"
  -                },
  -                {
  -                  "period": "PT24H",
  -                  "validFrom": "2017-05-13T23:00:00Z",
  -                  "validUntil": "2017-05-14T23:00:00Z",
  -                  "pollenForecastRegion": "SE",
  -                  "pollenForecastRegionName": "London & South East England",
  -                  "pollenIndex": "Moderate",
  -                  "issuedAt": "2017-05-10T04:45:57Z"
  +                  "validFrom": "2017-05-10T00:00:00Z",
  +                  "validUntil": "2017-05-11T00:00:00Z",
  +                  "pollenForecastRegion": "SE",
  +                  "pollenForecastRegionName": "London & South East England",
  +                  "pollenIndex": "Moderate",
  +                  "issuedAt": "2017-05-10T05:45:57+01:00"
  +                },
  +                {
  +                  "period": "PT24H",
  +                  "validFrom": "2017-05-11T00:00:00+01:00",
  +                  "validUntil": "2017-05-12T00:00:00+01:00",
  +                  "pollenForecastRegion": "SE",
  +                  "pollenForecastRegionName": "London & South East England",
  +                  "pollenIndex": "Moderate",
  +                  "issuedAt": "2017-05-10T05:45:57+01:00"
  +                },
  +                {
  +                  "period": "PT24H",
  +                  "validFrom": "2017-05-12T00:00:00+01:00",
  +                  "validUntil": "2017-05-13T00:00:00+01:00",
  +                  "pollenForecastRegion": "SE",
  +                  "pollenForecastRegionName": "London & South East England",
  +                  "pollenIndex": "Moderate",
  +                  "issuedAt": "2017-05-10T05:45:57+01:00"
  +                },
  +                {
  +                  "period": "PT24H",
  +                  "validFrom": "2017-05-13T00:00:00+01:00",
  +                  "validUntil": "2017-05-14T00:00:00+01:00",
  +                  "pollenForecastRegion": "SE",
  +                  "pollenForecastRegionName": "London & South East England",
  +                  "pollenIndex": "Moderate",
  +                  "issuedAt": "2017-05-10T05:45:57+01:00"
  +                },
  +                {
  +                  "period": "PT24H",
  +                  "validFrom": "2017-05-14T00:00:00+01:00",
  +                  "validUntil": "2017-05-15T00:00:00+01:00",
  +                  "pollenForecastRegion": "SE",
  +                  "pollenForecastRegionName": "London & South East England",
  +                  "pollenIndex": "Moderate",
  +                  "issuedAt": "2017-05-10T05:45:57+01:00"
                   }
                 ]
               }
   
  +### Return GeoJson file with regions definitions [GET /pollen/regions.geojson]
  +
  +This feature collection contains list of geometry shape like as `Polygon` and `MultiPolygon`, each has properties `regionId` and `region`
  +
  ++ Request
  +
  +    + Headers
  +
  +            Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.EkN-DOsnsuRjRO6BxXemmJDm3HbxrbRzXglbN2S4sOkopdU4IsDxTI8jO19W_A4K8ZPJijNLis4EZsHeY559a4DFOd50_OqgHGuERTqYZyuhtF39yxJPAjUESwxk2J5k_4zM3O-vtd1Ghyo4IbqKKSy6J9mTniYJPenn5-HIirE
  +
  ++ Response 200 (application/vnd.geo+json)
  +
  +    + Body
  +
  +            {
  +              "type": "FeatureCollection",
  +              "features": [
  +                {
  +                  "type": "Feature",
  +                  "properties": {
  +                    "regionId": "TA",
  +                    "region": "Central, Tayside & Fife"
  +                  },
  +                  "geometry": {
  +                    "type": "Polygon",
  +                    "coordinates": [
  +                      [
  +                        [
  +                          -2.871093749999943,
  +                          56.98291015625017
  +                        ],
  +                        [
  +                          -2.808898925781193,
  +                          56.95727539062506
  +                        ],
  +                        [
  +                          -2.751708984374943,
  +                          56.95452880859392
  +                        ],
  +                        [
  +                          -2.871093749999943,
  +                          56.98291015625017
  +                        ]
  +                      ]
  +                    ]
  +                  }
  +                }
  +              ]
  +            }
  
positive.code:               "forecasts": [
                  {
                    "period": "PT24H",
                    "validFrom": "2017-05-10T00:00:00Z",
                    "validUntil": "2017-05-11T00:00:00Z",
                    "forecastLocation": [ -0.1248, 51.5081 ],
                    "airPollutionIndex": 3,
                    "publishedAt": "2017-05-10T05:00:00Z"
                  },
                  {
                    "period": "PT24H",
                    "validFrom": "2017-05-11T00:00:00Z",
                    "validUntil": "2017-05-12T00:00:00Z",
                    "forecastLocation": [ -0.1248, 51.5081 ],
                    "airPollutionIndex": 5,
                    "publishedAt": "2017-05-10T05:00:00Z"
                  },
                  {
                    "period": "PT24H",
                    "validFrom": "2017-05-12T00:00:00Z",
                    "validUntil": "2017-05-13T00:00:00Z",
                    "forecastLocation": [ -0.1248, 51.5081 ],
                    "airPollutionIndex": 3,
                    "publishedAt": "2017-05-10T05:00:00Z"
                  },
                  {
                    "period": "PT24H",
                    "validFrom": "2017-05-13T00:00:00Z",
                    "validUntil": "2017-05-14T00:00:00Z",
                    "forecastLocation": [ -0.1248, 51.5081 ],
                    "airPollutionIndex": 3,
                    "publishedAt": "2017-05-10T05:00:00Z"
                  },
                  {
                    "period": "PT24H",
                    "validFrom": "2017-05-14T00:00:00Z",
                    "validUntil": "2017-05-15T00:00:00Z",
                    "forecastLocation": [ -0.1248, 51.5081 ],
                    "airPollutionIndex": 3,
                    "publishedAt": "2017-05-10T05:00:00Z"
                  }
                ]
              }
  
negative.code:     + Parameters
          + locatedAt: `-0.11,51.51` (string, required) - longitude,latitude;
          + fields: `airPollutionIndex,publishedAt` (string, required) - comma separated list of [airPollutionIndex,publishedAt] or single value;
          + timeZone: `Europe/London` (string, optional) - Time zone refers to the IANA Time Zone Database (TZDB).
  
  + Response 200 (application/json)
  
  