Fix scaffold to work with vocab-roots outside of Factor source tree. Cleanup check-vocab-root.
Fix scaffold to work with vocab-roots outside of Factor source tree. Cleanup check-vocab-root.

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