* squash all PR commits for easy rebase
* merged all panda rx can into one message
* fix buffers in can_send
* more cleanup and minor fixes
* fix even more stuff
* fix non-allocated send buffer
* make connecting more robust
* fix bus offset
* fix controls_mismatch?
* simplify mismatch check
* C++ style struct
* fix connect loop
* update ref
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
* use custom MessageBuilder from cereal
* use MesageBuilder.toBytes
* bump cereal
* unused
* another one
* fix ui msg
Co-authored-by: deanlee <deanlee3@gmail.com>