Minor UI request

[bib]

Hi Jesse,

In 1.7.4 you added the Lighting button next to Formula and Postprocess. That's great for consistency. But would it be possible to put them in the logical order, with Postprocess at the end?

Thanks

[Jesse]

Added this button at last for this update, did not checked the best order for consistency 

I hope i do not forget it until the next update...