rewritted the OOP intro, still needs some cleanup...

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

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
the main part of js-oop.js is done, need to proof read and do the last section...

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