Openxc

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* 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.

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* Move vehicle interface code generation utilites from cantranslator repository
to this Python library
* Support playing back a raw CAN trace file at the same speed it was recorded.

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* Fix openxc-dashboard in Python 3.3.
* Increase robustness to invalid messages.
* Update pre-programmed OpenXC signals to match v4.0 release of the OpenXC
vehicle interface (VI).
* Match defaut serial baud rate to v4.0 release of OpenXC VI
* Other small bug fixes and improvements.

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Botched this release.

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* Make pyserial an optional dependency to work around an issue with that package
in Python 3

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* Initial release