LightUp v6

LightUp v3.0k

Updated Macintosh and Windows versions of LightUp. You should be able to login, go to Downloads and use your RegKey and the bottom of the page to get the latest installers.

Fixes for v3.0k
- Support for Ruby 2.0
- Panoramas export unflipped
- Fix for Welcome dialog video player crash
- 'Use Selection' unchecked by default
- LightSampler auto-scaleing improved
- Collada exporter fixes including support for Torque3D
- added menu to disable warning about high light sampling
- speed improvement to model processing