Update LICENSE

New unstable fork required new language.
2/27 Unstable first patch
2/28 6:25 AM PST Unstable Update #2
3/1 2:34 AM PST - v Enraged, Unstable Patch 3
3/4 820 AM PST - Unstable Update 4 (Enraged)
Merge branch 'unstable' of github.com:ohgoditburns/starbound into unstable

Conflicts:
	objects/hoard/venusdepixel/venusdepixel.object