test: Update some external test package versions

Use more recent versions of competing mapping tools to try to improve CI
robustness.

Author: manthey

examples/blog-lines/index.pug

@@ -253,13 +253,13 @@ block append mainContent
         .title GeoJS - Current - SVG
         .entry
       span
-        .title Leaflet - 1.0.2 - Canvas
+        .title Leaflet - 1.9.4 - Canvas
         .entry
       span
-        .title Leaflet - 1.0.2 - SVG
+        .title Leaflet - 1.9.4 - SVG
         .entry
       span
-        .title Mapbox GL - 0.28.0 - WebGL
+        .title Mapbox GL - 1.13.3 - WebGL
         .entry
       span
         .title GeoJS - 0.10.5 - WebGL

examples/blog-lines/main.js

@@ -14,17 +14,17 @@ var Libraries = {
   },
   leaflet: {
     url: 'https://unpkg.com/leaflet@{version}/dist/leaflet.js',
-    defaultVersion: '1.0.2',
+    defaultVersion: '1.9.4',
     mainReference: 'L'
   },
   mapbox: {
     url: 'https://api.mapbox.com/mapbox.js/v{version}/mapbox.js',
-    defaultVersion: '3.0.1',
+    defaultVersion: '3.3.1',
     mainReference: 'L'
   },
   mapboxgl: {
     url: 'https://api.mapbox.com/mapbox-gl-js/v{version}/mapbox-gl.js',
-    defaultVersion: '0.28.0',
+    defaultVersion: '1.13.3',
     mainReference: 'mapboxgl'
   }
 };

scripts/datastore.js

@@ -6,7 +6,7 @@ var tar = require('tar');
 
 var registry = {
   'AdderallCities2015.csv': 'c3e984482cc6db1193a6dca2a55396a2baad8541a5c8c679f33750b76f766f40a119ec3e63abbabcd095d752c3df8ce21bf24cbe629502121f24ba90b4b0674c',
-  'base-images.tgz': '2b52ca698a8c924087e6c9b83a24a4aaf294595c1d044ff7a6c73a919b6a2ae122e450769a3332951b8c56877d37838205629c73b974652c90525f04b4bed759',
+  'base-images.tgz': '5e7b02080e2d73d1bac8083f85516ac9e3188354fdd9d669ea8c97e2bc5cdda1e54ed5010468b8c2a44a880cfe2df17fe11ad1ec5f4a25275e879d9cf291a915',
   'blue.jpg': '867b1f3c568289efc7d0dba97d827a2bc4d83a7465cebcb3b5aec7bac6a38cf70d037d1814402bc97ad1f2f6737cfb5ce97db0a4fb53a716e77fd3ba57a7ab3b',
   'cities.csv': '5a665e5feda24f28e5cf4ed0801b67e73bbcf3ea781b2e50d11284214e67b25b68e6a1c48da46e5e4d4d0c54c2ec18f88d292224b4541fb279396cf7b94beac9',
   'earthquakes.json': 'f098b6437411384b552419b4a36264c1bb3fed816ccfe9545145175e0b92a0b7ad5ebdcb9dddd0a12a90499143ffa471c02f6e049be5b973db607ff066892500',