updated todo...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
added help generator to ui/lib/keyboard.js, added docs to key bindings...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
added docs to ui/lib/keyboard.js...

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