Adding a utility to dump xbee settings and set it's buad rate.
quotes and such
MEGA2560 tinkerkit pin mapping support

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Merge branch 'xbee' of https://github.com/rwldrn/johnny-five

* 'xbee' of https://github.com/rwldrn/johnny-five:
  quotes and such
  Adding a utility to dump xbee settings and set it's buad rate.
Start placing PWM enforcers. #129

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Remove irrelevant pin object declarations

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>