/** Running in the simulator. */

    /** Running in remote mode. */

    /** Running on the robot. */

    /** Running in dev mode, no SSM */

    /** Initalize this KnowledgeDatabase slice - Attach to or create
     * the underlying file on disk (via the Database class).
     *
     * @method jibo.kb.KnowledgeDatabase#init
     * @param {Function} callback Called with (err) when done.
     */