doc tweak to point out that containers and trainers 'just work'
doc tweak to point out that containers and trainers 'just work'

szagoruyko/clnn,hughperkins/clnn,brunoro/clnn,brunoro/clnn,brunoro/clnn,hughperkins/clnn,szagoruyko/clnn,brunoro/clnn,szagoruyko/clnn,hughperkins/clnn,szagoruyko/clnn,hughperkins/clnn