* 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.

{
	'opengl': ['core/video/opengl/', 'core/gui/base/opengl/'],
	'zip': ['core/vfs/zip/'],
	'script-python': ['swigwrappers/python'],
	'script-lua': ['swigwrappers/lua'],
}