Change smartsensor connectors to 2x5 on controller board
Change smartsensor connector to 2x5 on grizzly bear
Minor routing fixes on grizzly and controller.

Edit rqou: Hopefully fixed fun merge problems between this commit
and Andrew Wang's.
Add old manual steps to install_build_deps.sh

This way, we don't need to have people manually run eagle or emcc after
running install_build_deps.sh
Build lua/debug_native variant first.