Improvements for the location plugin

- use an api_key if one is configured
- send the location by using the api
- provide same pin color as standard map
- send overview map based on the type of the location scale
- remove the temporary file after download

plugins/time.lua

@@ -36,7 +36,8 @@ function get_latlong(area)
       lat  = data.results[1].geometry.location.lat
       lng  = data.results[1].geometry.location.lng
       acc  = data.results[1].geometry.location_type
-      return lat,lng,acc
+      types= data.results[1].types
+      return lat,lng,acc,types
    end
 end