Squashed commit of the following:

commit 9d0aac99f32eb1d773bd450e3dbbae10fbaf8221
Author: William Killerud <william@killerud.com>
Date:   Mon Sep 30 12:18:56 2013 +0200

    Port to addonsdk

commit d22e4648649bafca3f7749f5549f75def5b564ca
Author: William Killerud <william@killerud.com>
Date:   Mon Sep 30 09:57:04 2013 +0200

    Addon SDK shell init