VM: Refactor data_roots.hpp to Factor style
VM: Refactor data_roots.hpp to Factor style

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