chore(package): update concurrently to version 2.1.0
chore(package): update concurrently to version 2.1.0

https://greenkeeper.io/
AlexanderKapelyukhovskiy/rcn.io,Restuta/rcn.io,Restuta/rcn.io,Restuta/rcn.io,AlexanderKapelyukhovskiy/rcn.io,AlexanderKapelyukhovskiy/rcn.io