* use the openpilot/persist directory on PC
* manager runs on mac
* sim runs w/o carla
* fix params location in test
* that rmtree can fail and it's okay
* refactor params clear functionality
* set PARAMS_PATH
* fix clock and add Darwin sconstruct
* it builds, this changes should be simplifications too
* fix boardd build
* that's the real type of EGLClientBuffer
* remove extra lines
* ui needs opencl on phone