Rework WiFi states and better handle restart

Firmware/RTK_Everywhere/Developer.ino

@@ -209,7 +209,7 @@ void wifiDisplayNetworkData()                   {}
 void wifiDisplaySoftApStatus()                  {}
 bool wifiEspNowOff(const char * fileName, uint32_t lineNumber) {return true;}
 bool wifiEspNowOn(const char * fileName, uint32_t lineNumber) {return false;}
-void wifiEspNowSetChannel(WIFI_CHANNEL_t channel) {}
+void wifiEspNowChannelSet(WIFI_CHANNEL_t channel) {}
 int wifiNetworkCount()                          {return 0;}
 void wifiResetTimeout()                         {}
 IPAddress wifiSoftApGetIpAddress()              {return IPAddress((uint32_t)0);}

Firmware/RTK_Everywhere/HTTP_Client.ino

@@ -372,6 +372,17 @@ void httpClientUpdate()
         if (!httpSecureClient->connect(THINGSTREAM_SERVER, HTTPS_PORT))
         {
             // Failed to connect to the server
+            int length = 1024;
+            char * errMessage = (char *)rtkMalloc(length, "HTTP error message");
+            if (errMessage)
+            {
+                memset(errMessage, 0, length);
+                httpSecureClient->lastError(errMessage, length - 1);
+                systemPrintf("Get %s failed, %s\r\n", THINGSTREAM_SERVER, errMessage);
+                rtkFree(errMessage, "HTTP error message");
+            }
+            else
+                systemPrintf("Get %s failed!\r\n", THINGSTREAM_SERVER);
             systemPrintln("ERROR: Failed to connect to the Thingstream server!");
             httpClientRestart(); // I _think_ we want to restart here - i.e. retry after the timeout?
             break;

Firmware/RTK_Everywhere/MQTT_Client.ino

@@ -952,6 +952,16 @@ void mqttClientUpdate()
         // Attempt connection to the MQTT broker
         if (!mqttClient->connect(settings.pointPerfectBrokerHost, 8883))
         {
+            // Failed to connect to the server
+            int length = 1024;
+            char * errMessage = (char *)rtkMalloc(length, "HTTP error message");
+            if (errMessage)
+            {
+                memset(errMessage, 0, length);
+                mqttSecureClient->lastError(errMessage, length - 1);
+                systemPrintf("MQTT Error: %s\r\n", errMessage);
+                rtkFree(errMessage, "HTTP error message");
+            }
             systemPrintf("Failed to connect to MQTT broker %s\r\n", settings.pointPerfectBrokerHost);
             mqttClientRestart();
             break;