Bounced light in LightUp v5

LightUp v2.4a

New Retail and Demo LightUp.

- Procedural animated water by adding word "watershader" to Material name.
- Realtime Intensity control for lighting
- Export Dynamic Components to Player. Allows doors to open/close automatically etc.
- Lots of fixes and improvements for Intel GPU
- Stability enhancements
Lighting Sketchup Plugin