checked in patch from Paul Stoffregen to add support for the Teensy boards, the Sanguino, etc.  Ideally, these macros and #ifdefs would go into the code for each board, but it seems that Arduino is not quite ready for that, so we'll keep it here for now.
checked in patch from Paul Stoffregen to add support for the Teensy boards,
the Sanguino, etc.  Ideally, these macros and #ifdefs would go into the code
for each board, but it seems that Arduino is not quite ready for that, so
we'll keep it here for now.


jacobrosenthal/arduino,jacobrosenthal/arduino