Updated spine demo for animations
Updated spine demo for animations

ajhager/engi,Newbrict/engo,Newbrict/engi,wangshijin/engi,guregu/engi,mboersma/engi,EngoEngine/engo,EngoEngine/engo,Newbrict/engo,EtienneBruines/engi,paked/engi,Newbrict/engi,guregu/eng