Cycles: collapse preview render panel by default. It's a matter of personal preference, but it slows down 3D view rendering to have two renders going so I rather disable it by default.
Cycles: collapse preview render panel by default. It's a matter of personal
preference, but it slows down 3D view rendering to have two renders going so
I rather disable it by default.

pyrochlore/cycles,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,pyrochlore/cycles,tangent-opensource/coreBlackbird,pyrochlore/cycles