Fixed up the protocol. Needs checking. Closes #71
To be loaded onto a microcontroller. Unnecessary code will be removed
later.
massage names and types so that the protocol updates compile
remove false hard-coded device id from RBSerialMessages::Begin
fix typo/bug in Nano_encoder.ino where device id message was sent with footer id.
update RBSM_FOOTER value
Merge pull request #80 from CMU-Robotics-Club/Protocol_Fixup

Update RBSerialMessages and clients per the 10/3 discussion.