Update to use stadia map tiles so the maps keep working (#290)

Author: pwolanin

src/components/ward-map.vue

@@ -41,8 +41,8 @@ export default {
       mapOpts: {
         scrollWheelZoom: false
       },
-      attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> &mdash; Map data &copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>',
-      url: 'http://stamen-tiles-{s}.a.ssl.fastly.net/toner-lite/{z}/{x}/{y}.png',
+      attribution: '&copy; <a href="https://stadiamaps.com/" target="_blank">Stadia Maps</a> <a href="https://stamen.com/" target="_blank">&copy; Stamen Design</a> &copy; <a href="https://openmaptiles.org/" target="_blank">OpenMapTiles</a> &copy; <a href="https://www.openstreetmap.org/about" target="_blank">OpenStreetMap</a> contributors',
+      url: 'https://tiles.stadiamaps.com/tiles/stamen_toner_lite/{z}/{x}/{y}.png',
       tileOpts: {
         subdomains: 'abcd',
         minZoom: 0,

src/views/city-map.vue

@@ -41,8 +41,8 @@ export default {
       zoom: 12,
       center: [39.9523893, -75.1636291],
       geocoderApiKey: MAPZEN_API_KEY,
-      tileAttribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> &mdash; Map data &copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>',
-      tileUrl: 'http://stamen-tiles-{s}.a.ssl.fastly.net/toner-lite/{z}/{x}/{y}.png',
+      tileAttribution: '&copy; <a href="https://stadiamaps.com/" target="_blank">Stadia Maps</a> <a href="https://stamen.com/" target="_blank">&copy; Stamen Design</a> &copy; <a href="https://openmaptiles.org/" target="_blank">OpenMapTiles</a> &copy; <a href="https://www.openstreetmap.org/about" target="_blank">OpenStreetMap</a> contributors',
+      tileUrl: 'https://tiles.stadiamaps.com/tiles/stamen_toner_lite/{z}/{x}/{y}.png',
       tileOpts: {
         subdomains: 'abcd',
         minZoom: 0,