I've been working with another individual on this for quite some time but it's been slow moving because of other projects and the fact that we want this to work like the integrated systems out there now by MB, Nissan and other OEMs. Check out the youtube video for a pretty good explanation of how it work but note that the key portion will be customer dependent meaning you would either remove the ignition altogether or leave it be and make a turn style switch like in the video.
YouTube - JR Industries NoKeyGo