Implemented Analog input for LininoIO

Added support for mapping LininoIO analog input devices to IO.analogIn objects in JavaScript. This
maps the five analog input pins on the Arduino into JavaScript space.

Change-Id: Iaab67d9aa8a706e0d8e97b60bc61f9be05e2fccf
Signed-off-by: Greg Burns <gburns@qce.qualcomm.com>