fixes #570 avrdude port detection
adding keyboard remote control for testing...still in progress.
re-wrote joystick remote control code to use packets instead of single bytes over wireless. still needs to be cleaned up. TODO: figure out why robots stops responding to commands.
keyboard remote control code
Added comment in discrete controller
Fixed file paths in last commit
Updates to joystick control/slave - attempt 2
Joystick control works using xbee_putc
Added colonet functionality, remote control driver