*Faster gas rendering in Pressurized Tube.
*Lava now glows when in Dynamic Tank.
*Mechanical Pipes won't visually connect to Dynamic Valves when not part of a multiblock structure.
*Fixed energy cube GUI "Inventory" text color, fixed energy cube GUI energy scale bar.
Now uses a new, slightly modified ModelRenderer and ModelBox I adapted
to be able to selectively render faces. Also we can now turn off back-face
culling without any xyz-fighting.