Force MQTT close client before reconnecting. Revert back to latest ESPAsyncTCP

code/espurna/mqtt.ino

@@ -131,6 +131,8 @@ void mqttConnect() {
 
     if (!mqtt.connected()) {
 
+        mqtt.disconnect();
+
         char * host = strdup(getSetting("mqttServer", MQTT_SERVER).c_str());
         if (strlen(host) == 0) return;
         unsigned int port = getSetting("mqttPort", MQTT_PORT).toInt();

code/platformio.ini

@@ -9,7 +9,7 @@ lib_deps =
     Adafruit Unified Sensor
     https://github.com/xoseperez/Time
     ArduinoJson
-    https://github.com/me-no-dev/ESPAsyncTCP#e074eaac
+    ESPAsyncTCP
     ESPAsyncWebServer
     https://github.com/marvinroger/async-mqtt-client
     Embedis