Added 'start' factory.
Added 'start' factory.

JosephCottam/AbstractRendering,ahmadia/AbstractRendering,JosephCottam/AbstractRendering,JosephCottam/AbstractRendering,ahmadia/AbstractRendering,JosephCottam/AbstractRendering,ahmadia/AbstractRendering,ahmadia/AbstractRendering,JosephCottam/AbstractRendering,ahmadia/AbstractRendering