some http > https replace in attribution links

Author: archmoj

src/plots/mapbox/constants.js

@@ -91,7 +91,7 @@ var stylesNonMapbox = {
                 type: 'raster',
                 attribution: [
                     OSM,
-                    'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
+                    'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
                 ].join(', '),
                 tiles: ['https://stamen-tiles.a.ssl.fastly.net/terrain/{z}/{x}/{y}.png'],
                 tileSize: 256
@@ -113,7 +113,7 @@ var stylesNonMapbox = {
                 type: 'raster',
                 attribution: [
                     OSM,
-                    'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
+                    'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
                 ].join(', '),
                 tiles: ['https://stamen-tiles.a.ssl.fastly.net/toner/{z}/{x}/{y}.png'],
                 tileSize: 256
@@ -135,7 +135,7 @@ var stylesNonMapbox = {
                 type: 'raster',
                 attribution: [
                     OSM,
-                    'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
+                    'Map tiles by <a href="https://stamen.com">Stamen Design</a>, under <a href="https://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>'
                 ].join(', '),
                 tiles: ['https://stamen-tiles.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.png'],
                 tileSize: 256