Move RobotMethod, Server, Connection to robot module
Listen for robot mode changes
Fix bug where cmds not being published.
Off button shoud have data-value 0
Check that status === true. Not necessary but clearer.
Rename Robosim to BetelbotSimDriver
Add callback to moveAuto and moveCmd
Move RobotMethod, Server, Connection to robot.py. Rename to robot to driver. Use callbacks on moveAuto/Cmd
Temp commit for in progress adjustments for real BetelbotDriver and server