some cleanup...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
some minor edits and work on makefile...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
sorted out a couple of issues with Makefile...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
more tweaking the Makefile...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>