add codeclean

Signed-off-by: Micky Ching <mickyching@gmail.com>
add install script

Signed-off-by: Micky Ching <mickyching@gmail.com>
add gentags

Signed-off-by: Micky Ching <mickyching@gmail.com>
add puborg

Signed-off-by: Micky Ching <mickyching@gmail.com>