OTA was not rebooting after AP only update

HC-05 bug fix for bare modules - not happy with empty AT lines being sent ERROR:(0) returns!
Had UART pins for HC-05 reversed on green board.

Hit <SPC> to get debug console menu
Toggle reporting of CHeaterPackage to debug console - using <B> on debug console
Toggle reporting of JSON to debug console - using <J> on debug console
Only allow temperature and heating mode changes when not using an OEM controller

Any change in client connection status will force a refresh to all possible clients.

All JSON commands now accepted by ESP.
Output JSON from ESP is moderated.

reaction could be found - none so far.
Added Blue LED flash on ESP32 when Rx'ing serial blue wire data.
Created a UtilClasses.h file for utility classes.

Cannot test the inbuilt ESP32 bluetooth - we blow the FLASH size!

Runs on ESP32 OK.

Added RemoteDebug and a define to change debugging from serial to telnet depening on telnet define at top of .ino

quick push for James

Report data frames within BT functions.
Improved command decode reporting

Changed "USB" to "DebugPort"
Tidy up of blue wire data frames and passing about by reference instead of just the data buffer.
Added AppInventor application

Use #ifdef ESP32_USE_BLE_RLJ to toggle modes.

Also broken out bluetooth functions into a few files for better separation of code.