From the vid it looks like lvl 1 gives 20% extra damage, lvl 2 gives 25% >
Totem of Terror 0/1
Werewolf Howl of Terror affects even higher level enemies.
Gorging 0/1
Feeding heals twice as much.
Animal Vigor 0/1
100 point bonus to health and stamina in beast form.
Other perks shown but not selected: (So we don't know what they do precisely)
Totem of Ice Brothers (First on the far left tree branch)
Totem of the Predator (Is on its own tree branch)
Savage Feeding (Comes after Gorging and Animal Vigor in there tree branch)
Totem of the Moon (Second on the far left tree branch)
This is what the http://www.product-reviews.net/wp-content/uploads/new-werewolf-perk-tree-skyrim.jpglooks like.
Looks pretty cool, I like the additions they've made. Will make it as fun to continue playing a Werewolf as it will be to try out the new Vampire Lord hopefully.