2.5: render/Game Engine. An engine todo use for output can now be selected an influences what.
Shows in the buttons window, only showing relevant data. The idea.
Behind this is todo make it more clear what is supported where, make.
The system more pluggable for external render/Game Engines, and save.
Space hiding Stuff that is not relevant anyway.
* top Header now has an engine menú, todo choose between the Blender.
Render engine, Game Engine, and other future external engines.
* if the Game Engine is enabled, the buttons window should show.
Only properties that work in the Game Engine, and similarly for.
The render engine.