Mineways 10.03: Match Omniverse lighting update, add camera, and small fixes

[Eric Haines]

Mineways 10.03 is out. You likely will want this one only if you're using USD or are using JG-RTX, LunaHD, or Smoolistic. The JG-RTX textures are in better shape - one or two things were a bit funky with them. Other little fixes. See https://github.com/erich666/Mineways/releases/tag/v10.03

Two shots from Omniverse of a simple test scene. Images computed progressively, in a second or two.