Add spec for out ports
Add spec for out ports

lxfschr/noflo,noflo/noflo,saurabhsood91/noflo,jonnor/noflo,jonnor/noflo,lxfschr/noflo,npmcomponent/noflo-noflo,trustmaster/noflo,trustmaster/noflo,saurabhsood91/noflo