Bounced light in LightUp v5

LightUp v3.2a

This new version of LightUp has an enhanced graphics engine as well as variety of support for working at higher resolution.

Fixes and Enhancements in this release
- Faster rendering shaders
- Much improved compression of luca file content
- Sunshine specular highlights on water
- Coronas around pointlights
- Fix for aiming multiple IES light sources
Lighting Sketchup Plugin