*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.
transparency proportional to the base 10 log of power, to compensate
for the wide range of power that can be transmitted, and minimise client
update packets.