add nucs flag to trans cmd. minor cleanups
add nucs flag to trans cmd. minor cleanups

gidden/cyan,gidden/cyan,rwcarlsen/cyan,mbmcgarry/cyan,rwcarlsen/cyan,mbmcgarry/cyan,gidden/cyan,mbmcgarry/cyan,rwcarlsen/cyan,mbmcgarry/cyan,rwcarlsen/cyan,gidden/cyan