Glass in Pathtracer

[Scott Davidson]

This is an discussion continued from the previous nXt forum:

 

http://old.nxt.accurender.com/forums/p/4323/21303.aspx#21303

 

The last post from Ros.Riha reads:

 

Roy, please, did you have a chance to run some tests? I would be very interested to know where these ligh rectangles came from...

[Roy Hirshkowitz]

Fixed it a couple of builds ago.