----------
* Improve screen width detection in openxc-dashboard
* Add veritcal keyboard scrolling to openxc-dashboard
* Support displaying raw CAN messages in openxc-dashboard
* Allow registering a listener for all measurements
* Fix non-looping trace file playback
* Allow playing back raw CAN trace files.
* Updated to work with v5.x of VI firmware.
* Allow a message to have multiple handlers
* Fix a bug that disallowed ignoring a signal with states defined
* Add max_message_frequency and force_send_changed_signals to messages
* Add max_frequency and force_send_changed to signals
* Allow overriding bit inversion on a per-signal basis
* Define as many things const as possible to save memory in VI
* Add 'unfiltered' and 'filtered' raw CAN modes
* Allow setting max CAN message freq for all buses.
* Default to inverted bit mapping only if using a database-backed mapping.