Update leaflet_options.js - Update tile URLs (#398)

Author: danieldegroot2

src/leaflet_options.js

@@ -2,28 +2,28 @@
 
 var L = require('leaflet');
 
-var osmAttribution = '© <a href="https://www.openstreetmap.org/copyright/en">OpenStreetMap</a> contributors',
-    cartoAttribution = '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attributions">CARTO</a>',
+var osmAttribution = '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
+    cartoAttribution = '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors © <a href="https://carto.com/attribution">CARTO</a>',
     esriAttribution = 'Tiles © <a href="https://www.esri.com/">Esri</a> — Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community',
-    waymarkedtrailsAttribution = '© <a href="http://waymarkedtrails.org">Sarah Hoffmann</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)';
+    waymarkedtrailsAttribution = '© <a href="https://waymarkedtrails.org/">Sarah Hoffmann</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)';
 
 var streets = L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}{r}.png', {
     attribution: cartoAttribution,
     subdomains: 'abcd',
     maxZoom: 19
   }),
   outdoors = L.tileLayer('https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png', {
-    attribution: osmAttribution + ', <a href="https://opentopomap.org">OpenTopoMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)',
+    attribution: osmAttribution + ', <a href="https://opentopomap.org/">OpenTopoMap</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-SA</a>)',
     maxZoom: 17
   }),
   satellite = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
     attribution: esriAttribution,
     maxZoom: 19
   }),
-  osm = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
+  osm = L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
     attribution: osmAttribution,
   }),
-  osm_de = L.tileLayer('https://{s}.tile.openstreetmap.de/{z}/{x}/{y}.png', {
+  osm_de = L.tileLayer('https://tile.openstreetmap.de/{z}/{x}/{y}.png', {
     attribution: osmAttribution,
   }),
   hiking = L.tileLayer('https://tile.waymarkedtrails.org/hiking/{z}/{x}/{y}.png', {