Reparse data on each connect-event, if the network is available.

This should (hopefully) only lead to one reload from the server.
In any case, the weather data will be reloaded immediately after reconnection (if the server can be reached).

src/extension.js

@@ -360,11 +360,9 @@ const WeatherMenuButton = new Lang.Class({
     },
 
     _checkConnectionState: function() {
-        let connected = this._network_monitor.network_available;
+        this._connected = this._network_monitor.network_available;
-        // only reparse once (we can get multiple connect events)
+        if (this._connected)
-        if (connected && !this._connected)
             this.parseWeatherCurrent();
-        this._connected = connected;
     },
 
     locationChanged: function() {
@@ -1415,7 +1413,6 @@ weather-storm.png = weather-storm-symbolic.svg
             } else {
                 // we are connected, but get no (or no correct) data, so invalidate
                 // the shown data and reload after 10 minutes (recommendded by openweathermap.org)
-                //                this.currentWeatherCache = undefined;
                 this.rebuildCurrentWeatherUi();
                 this.reloadWeatherCurrent(600);
             }
@@ -1548,7 +1545,6 @@ weather-storm.png = weather-storm-symbolic.svg
             } else {
                 // we are connected, but get no (or no correct) data, so invalidate
                 // the shown data and reload after 10 minutes (recommendded by openweathermap.org)
-                //                this.forecastWeatherCache = undefined;
                 this.rebuildFutureWeatherUi();
                 this.reloadWeatherForecast(600);
             }