* refactor submaster
* rebase master
* CAPNP best pratice
* zero initialize
* vwp_w has not been initialized before UIState()
* no static
* rebase master
* Minimize refactoring
* cleanup
* remove gpsOk
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 533bc30c2e