Arduino NimBLE support (#732)

* NimBLE-arduino support

* Decorrelate discovery from BLEScan

To avoid Stack canary watchpoint triggered and store sensor model into BLEdevice vector

platformio.ini

@@ -73,7 +73,7 @@ arduinolog = https://github.com/1technophile/Arduino-Log.git#d13cd80
 pubsubclient = PubSubClient@2.8
 rc-switch = https://github.com/1technophile/rc-switch.git#385a7e0
 newremoteswitch = https://github.com/1technophile/NewRemoteSwitch.git#8eb980e
-ble = https://github.com/eos1d3/ESP32_BLE.git#9d6c1ed
+ble = https://github.com/h2zero/NimBLE-Arduino.git#111ff3a
 irremoteesp = IRremoteESP8266@2.7.7
 irremote = https://github.com/z3t0/Arduino-IRremote.git#1c08a37
 lora = https://github.com/sandeepmistry/arduino-LoRa.git#f4a1d27