Add new WiFi and ESP-NOW layer code, add _old to previous file names

WiFi: Rename WiFi.ino to WiFi_old.ino
WiFi: Add new WiFi code, remove calls to espNowStart and espNowStop
ESP-NOW: Rename ESPNOW.ino to ESPNOW_old.ino
ESP-NOW: Add new ESP-NOW code
WiFi: Use network layer mDNS routines
WiFi: Switch from _debug to settings.debugWifiState
WiFi: Remove use of _display
WiFi: Pass verbose setting in during constructor
WiFi: Remove start and stop of wifiEventHandler
WiFi: Display start and stop components
WiFi: Add start WiFi station components comment
WiFi: Start and stop the DNS server
WiFi: Don't display restarted items as failed to stop

Author: LeeLeahy2

Firmware/RTK_Everywhere/Developer.ino

@@ -177,6 +177,9 @@ void webServerUpdate()  {}
 
 #ifndef COMPILE_ESPNOW
 
+bool espNowStart()  {return false;}
+bool espNowStop()   {return false;}
+
 bool espnowIsPaired()                   {return false;}
 void espnowProcessRTCM(byte incoming)   {}
 esp_err_t espnowRemovePeer(uint8_t *peerMac)        {return ESP_OK;}