added direction awareness to shifting images up/down + several tweeks...

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

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
split off the gen3 keyboard config...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
cleaned-up marked-only mode...

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