Update of rtl_433_ESP to version 0.1.3 - Support for SX127X transceiver module (#1291)

The main features of the upgrade to 0.1.3 of rtl_433_ESP are

1 - Change Transceiver Library to RadioLib

2 - Add support for SX127X transceiver module ( I used the 433 Mhz version of this Heltec module for development ).

3 - Added automatic calibration of the RSSI Signal detection Threshold

4 - Removed dependency on loop for start and end of signal detection, and moved to a ESP32 Task

5 - Moved received signal decoding to a ESP32 Task

6 - Identified Blueline PowerCost Monitor decoder as source of significant memory overhead and disabled.

7 - Multi Receiver support has been validated with RF, RF2 and PiLight

main/ZgatewayRF.ino

@@ -176,6 +176,7 @@ void RFtoMQTT() {
 #  if simpleReceiving
 void MQTTtoRF(char* topicOri, char* datacallback) {
 #    ifdef ZradioCC1101 // set Receive off and Transmitt on
+  disableActiveReceiver();
   ELECHOUSE_cc1101.SetTx(receiveMhz);
 #    endif
   mySwitch.disableReceive();
@@ -251,6 +252,7 @@ void MQTTtoRF(char* topicOri, JsonObject& RFdata) { // json object decoding
 #    ifdef ZradioCC1101 // set Receive off and Transmitt on
       float trMhz = RFdata["mhz"] | CC1101_FREQUENCY;
       if (validFrequency((int)trMhz)) {
+        disableActiveReceiver();
         ELECHOUSE_cc1101.SetTx(trMhz);
         Log.notice(F("Transmit mhz: %F" CR), trMhz);
       }
@@ -321,6 +323,7 @@ void enableRFReceive() {
 #  endif
 
 #  ifdef ZradioCC1101 // set Receive on and Transmitt off
+  ELECHOUSE_cc1101.Init();
   ELECHOUSE_cc1101.SetRx(receiveMhz);
 #  endif
   mySwitch.disableTransmit();