add demos tag to spheres
add demos tag to spheres

bjourne/factor,jwmerrill/factor,erg/factor,AlexIljin/factor,factor/factor,ehird/factor,littledan/Factor,bjourne/factor,littledan/Factor,jwmerrill/factor,nicolas-p/factor,mrjbq7/factor,erg/factor,AlexIljin/factor,ceninan/factor,mrjbq7/factor,bpollack/factor,AlexIljin/factor,dharmatech/factor,tgunr/factor,bpollack/factor,kingcons/factor,seckar/factor,dch/factor,slavapestov/factor,mcandre/factor,slavapestov/factor,littledan/Factor,sarvex/factor-lang,bpollack/factor,dharmatech/factor,mcandre/factor,tgunr/factor,sarvex/factor-lang,bjourne/factor,Keyholder/factor,mcandre/factor,dch/factor,factor/factor,ceninan/factor,erg/factor,dch/factor,slavapestov/factor,tgunr/factor,ehird/factor,AlexIljin/factor,dch/factor,nicolas-p/factor,slavapestov/factor,mrjbq7/factor,bpollack/factor,tgunr/factor,nicolas-p/factor,mrjbq7/factor,slavapestov/factor,bjourne/factor,ehird/factor,AlexIljin/factor,sarvex/factor-lang,erg/factor,slavapestov/factor,AlexIljin/factor,AlexIljin/factor,jwmerrill/factor,dch/factor,kingcons/factor,bjourne/factor,factor/factor,kingcons/factor,bjourne/factor,mrjbq7/factor,cataska/factor,dch/factor,bpollack/factor,dharmatech/factor,cataska/factor,nicolas-p/factor,sarvex/factor-lang,nicolas-p/factor,seckar/factor,sarvex/factor-lang,kingcons/factor,factor/factor,factor/factor,tgunr/factor,Keyholder/factor,tgunr/factor,mcandre/factor,bjourne/factor,Keyholder/factor,ceninan/factor,erg/factor,slavapestov/factor,mcandre/factor,bpollack/factor,mcandre/factor,nicolas-p/factor,erg/factor,cataska/factor,sarvex/factor-lang,sarvex/factor-lang,factor/factor,littledan/Factor,mcandre/factor,erg/factor,seckar/factor,nicolas-p/factor,ceninan/factor,bpollack/factor,mrjbq7/factor,cataska/factor