All proposed improvements are welcome. Just make sure that you have tested your changes before you submit new pull request.

* Can you run the MLL OS (``./qemu.sh``) with the changes you have made after full build from clean source tree?
* Can you run the MLL OS (``./qemu.sh``) with the changes you have made after partial rebuild (./rebuild.sh)?
* Can you run shell console in Docker (``./run_docker_console.sh``) from the MLL image with the changes you have made after full build from clean source tree?
* Can you run shell console in Docker (``./run_docker_console.sh``) from the MLL image with the changes you have made after after partial rebuild (``./rebuild.sh``)?