Added support to modify AEE2004 car settings from AEE2010 device

Added support for previous CAN-CAN bridge boards

Added code to send MATT related messages back from AEE2010 to AEE2004…

… to allow resetting the maintenance warning

Added time info and firmware version to the setup page

Updated readme with FAQ and info on uploading the firmware

Fixed trip computer change

Modified CAN interface to retry message sending on loss of arbitration

Replaced CAN library with built in one from ESP-IDF

Fixed ifdef to compile without AC status support on display

Fixed ignition for the dashboard