tools.deploy: prevent delay in error deploying of vocabs with no main.
tools.deploy: prevent delay in error deploying of vocabs with no main.

bjourne/factor,bpollack/factor,slavapestov/factor,AlexIljin/factor,nicolas-p/factor,mrjbq7/factor,bjourne/factor,AlexIljin/factor,nicolas-p/factor,bpollack/factor,sarvex/factor-lang,sarvex/factor-lang,bjourne/factor,AlexIljin/factor,tgunr/factor,sarvex/factor-lang,tgunr/factor,mrjbq7/factor,nicolas-p/factor,tgunr/factor,dch/factor,bjourne/factor,AlexIljin/factor,bpollack/factor,slavapestov/factor,dch/factor,bpollack/factor,nicolas-p/factor,tgunr/factor,sarvex/factor-lang,factor/factor,nicolas-p/factor,bpollack/factor,factor/factor,bjourne/factor,mrjbq7/factor,bjourne/factor,slavapestov/factor,slavapestov/factor,slavapestov/factor,factor/factor,sarvex/factor-lang,dch/factor,dch/factor,factor/factor,tgunr/factor,factor/factor,sarvex/factor-lang,slavapestov/factor,AlexIljin/factor,AlexIljin/factor,nicolas-p/factor,sarvex/factor-lang,dch/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,AlexIljin/factor,dch/factor,slavapestov/factor,bpollack/factor,nicolas-p/factor,tgunr/factor,factor/factor,bjourne/factor,mrjbq7/factor