Bounced light in LightUp v5

LightUp v2.6a

LightUp v2.6a released

-Realtime Sun with regular Direct lighting
-Improved GUI
-Fixes for IrrCache binding
-Fixes for dialog styling issues
-Improved camera controls
-Single Layer exports NormalMaps
-Single Layer exports Emitters
-Collada Exporter (beta)
Lighting Sketchup Plugin