Use HTTPS for Nominatim and Photon.

Fixes #1692.

Author: alexreisner

lib/geocoder/lookups/nominatim.rb

@@ -14,6 +14,10 @@ def map_link_url(coordinates)
 
     private # ---------------------------------------------------------------
 
+    def supported_protocols
+      [:https]
+    end
+
     def base_query_url(query)
       method = query.reverse_geocode? ? "reverse" : "search"
       "#{protocol}://#{configured_host}/#{method}?"

lib/geocoder/lookups/photon.rb

@@ -10,7 +10,7 @@ def name
     private # ---------------------------------------------------------------
 
     def supported_protocols
-      [:http, :https]
+      [:https]
     end
 
     def base_query_url(query)