By: Addison Wylie TV spots for the Dreamworks/20th Century Fox collaboration entitled The Croods describe the prehistoric family as “the first modern family” – I suppose, trying to connect this new animated family to a current popular commodity. It shouldn’t stoop that low because The Croods is a good film and has every right to stand on its own. Grugg (voiced by Nicolas Cage who sounds as if he’s been longing for an animated role)…