create three levels of printing:
- printInfo, FYI only
- printError, same printInfo, but error LED toggles
- printCritical, same printError, but mote is scheduled to reboot (WIP)
Turning printError in printInfo or printCritical wherever applicable. Part of FW-47.
Adding a leds_error_blink() and board_reset() functions. Part of FW-47.
replace all while(1) by led blinks and reset (BSP and driver components) or printCritical (stack components). Part of FW-47.
printCritical now blinks the error LED for 10s, prints the messages and resets the board. Part of FW-47.
Adding "booted" info message. Part of FW-47.