Merge pull request #9 from TylerFolsom/master

New documentation of PCB board; added notes on signals;PCB board layout as built
Merge pull request #10 from TylerFolsom/master

Cost based on lead-acid. Catrike Dash is no longer available; needs to be updated.
Merge pull request #11 from TylerFolsom/master

Servo extend and retract test
Move local C++ files into Arduino libraries.
Adjust includes for new libraries. Remove comments saying to move sketches to compile them. Related cleanup. Note some cleanup remains, but not in the files we're using at the moment.
Merge pull request #12 from ptressel/master

Move local C++ code to an Arduino library.
Cut unused code
Angle brackets'