Simplified appearance. Is this really what we want?
Change "Shine" to a double in [0,1]
Add shine to OR import & export
Update Apocalypse to use Shine & Paint
Display shine on 0-100 scale
Add percent / permille unit selector to shine
Merge pull request #33 from bkuker/kruland-integration-simple-appearance

Simplify the appearance UI, Model & File