Slightly change text of "Weather data provided by"-button, to show the name of the services instead of their url.

src/extension.js

@@ -377,7 +377,7 @@ const OpenweatherMenuButton = new Lang.Class({
         this.refreshWeatherCurrent = OpenweathermapOrg.refreshWeatherCurrent;
         this.refreshWeatherForecast = OpenweathermapOrg.refreshWeatherForecast;
 
-        this.weatherProvider = "https://openweathermap.org/";
+        this.weatherProvider = "OpenWeatherMap";
 
         if (this._appid.toString().trim() === '')
             Main.notify("Openweather", _("Openweathermap.org does not work without an api-key.\nEither set the switch to use the extensions default key in the preferences dialog to on or register at http://openweathermap.org/appid and paste your personal key into the preferences dialog."));
@@ -391,7 +391,7 @@ const OpenweatherMenuButton = new Lang.Class({
         this.refreshWeatherCurrent = DarkskyNet.refreshWeatherCurrent;
         this.refreshWeatherForecast = function() {};
 
-        this.weatherProvider = "https://darksky.net/";
+        this.weatherProvider = "Dark Sky";
 
         this.fc_locale = 'en';