first commit
Merge branch 'master' of github.com:jeremybmerrill/bigappleserialbus

Conflicts:
	.gitignore
tweaks
check if on pi correctly
check if on pi correctly-ier
fix some gpio stuff
damnit
debug status msgs
better code
useful debug text
better speed calculations; better breakdown of various durations used in calculating when to turn on/off lights
 print less trash, more useful stuff
oops
fix lettered list in readme
update circuit design section to reflect hardware changes
relative paths for files
turn off lights if crash; blink lights on startup
improve install instructions
maybe-better speed calculation
15 sec ping time, various debug text changes