Add flag to gates to optionally disable lighting and shadows

..should avoid all these hacks on top of hacks that ppl need to use nowadays, and so help us too, in the future (DX9/'real'3D modeling)

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@540 14438d79-0ffd-4333-8ae7-ea2bdd901387
update changelog

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@541 14438d79-0ffd-4333-8ae7-ea2bdd901387
optimized usage of RenderSetup() for decal, gate and spinner

git-svn-id: svn://svn.code.sf.net/p/vpinball/code/trunk@542 14438d79-0ffd-4333-8ae7-ea2bdd901387