refactor
two levels of clouds?
Repainted sky from scratch: sunrise, sunset, greenish tint at noon.
Merge branch 'new-sky' of https://github.com/emilis/Craft
removed xcf
sky texture over full sphere
show # of triangles rendered, tweaked start time
Merge branch 'master' of https://github.com/fogleman/Craft into mods-everywhere

Conflicts:
	main.c