* Parametrize MIN_CAN_SPEED in car interfaces
* fixed instance in planner.py
* fix typo
* var name change
* changed var name to minSpeedCan for consistency with other uses of CAN in the capnproto files
* added default value to get_std_params, removed unneeded instances from car interface files
* Revert PEP8 autoformat corrections
* update refs
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>