* Moved the layer visibility and transparency, from instancerenderer.cpp to layercache.cpp and improved it. Note: Now you can set a instance completely opaque, when their layer is fully transparent or reverse. If both have a transparent value then the result from layer-instance is used.

audiotest1.ogg & left_right_test.ogg are based on the song "Maybe" that shipped with the game Fallout 1. These files have been released by Interplay later under a license that permits you to copy and spread these files but without making profit of it!