Demeter 1.0

What's new:

• ISS interior scene added
• Terrain sand color is the same as the planet's albedo color
• Luma normalized tone mappers and Khronos commerce tone mapping
• Several types of screenshots like radiance, different color spaces and different projections
• Better celestial labeling and better celestial blob rendering
• Upgraded Sun shadow with (optional) realistic penumbra
• Image color transfer method for camera sensors to add more realism
• ColorChecker boxes can be spawned in some scenes
• Celestial exploration - you can visit any celestial object by entering its name.