* Add esp_exception_decoder filter for device monitor
This filter resolves the ESP backtraces as they come into the
device monitor. Add --filter=esp_exception_decoder to monitor_flags
to use it.
* EspExceptionDecoder: fixes for Windows and Python2
* EspExceptionDecoder: rename to Esp32ExceptionDecoder
* Esp32ExceptionDecoder: handle inlined addresses nicely
* Esp32ExceptionDecore: fix pylint errors