Test that button event handler uses correct output types.
Use the total_odometer signal as a baseline for high-resolution odo signal.
Multiply rolling odo by factor if necessary (fix regression).
Respect value of "send" when reading CAN messages.
Receive and store values for ignored signals, just don't output.
Merge branch 'next' into 1208-combinedodo
Bump version to 2.2-dev.
Merge remote-tracking branch 'origin/1208-combinedodo' into next
Update CHANGELOG to reflect combined odometer.