Adds an abort call at the end of FreeRTOS main() to catch cases when the scheduler would exit to void.
Adds an abort call at the end of FreeRTOS main() to catch cases when the scheduler would exit to void.

bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn