data.js clean up

[MonicaBrandeis]

Here is the mark-up for the format/field/values:

      'key':49,
      'cityName':'Anchorage',
      'state':'AK',
      'ranking':8,
      'flags':228,
      'features':366,
      'totalArea':846.96, --> Deleted
      'gridSize':6.62,
      'totalRoads': 5420, --> Add 
      'mapImage':'images/SOTM-10-02-18-images/UAK-300.jpeg', --> Deleted
      'headerImage':'images/headerImages/AK_Anchorage_AK.jpg',
      'thumbnail':'images/thumbnails_cities/AK_Anchorage_AK.jpg',
      'swLong':100, --> Add
      'swLat':25,   --> Add
      'neLong': 102, --> Add
      'neLat': 27,  --> Add 
      'roadConnections':0.69, --> Rename into roadGeometry
      'roadRelation':0.0,  --> Deleted
      'roadTag':0.3, --> Rename into roadAttributes 
      'roundabout':0.004366812, --> Delete 
      'score':0.01034,
      'score_2018':0.01027, --> Add to do calculation to show the proper trending sign 
      'factName':'Fun Geography Fact',
      'fact':'This city is nearly equidistant to New York City, Tokyo and Frankfurt(Germany), which makes it a major international cargo hub.'
   },```

[MonicaBrandeis]

@nachtm, please fetch the value like this if you can.

[MonicaBrandeis]

@sayas01 I add 'score_2018' so we can better use the value on the fly. Let me know if that looks great for you