minor fixes with calculation of values to display
Merge remote-tracking branch 'upstream/ArduinoDue' into ArduinoDue
fix handling of negative numbers with website
added level of throttle and brake to status screen
Merge remote-tracking branch 'upstream/ArduinoDue' into ArduinoDue
straightened out some throttle calculations
Merge pull request #38 from neuweiler/ArduinoDue

Fixed issue with negative numbers on status screen, added throttle/brake level