Demo of serial I/O and ADC read will evolve into charger controller
Display PANIC! on logPanic

Signed-off-by: Brent Roman <brent@mbari.org>
renamed directory stm32l -->  stm32l-discovery
Enlarged stack for the debug print via DCC thread
Allocate debugPrint() buffer statically
debugPrint() now writes directly into the output FIFO!
bumped date and version
fixed typo in file header