so yeah level 19 will be losing lots of abilities it seems. By that, I mean that the abilities will be learned at a higher level than 19. They will also be gaining some, either through new abilities or abilities brought down into the 10-19 bracket. Here are the changes that I can see.

Druid
gaining:
Cat Form
Claw
Prowl
Ferocious Bite

losing:
Bash
Swipe
Faerie Fire (though they keep FF in bear form)
Hibernate
Mark of the Wild
Nature's Grasp

Hunter
gaining:
Steady Shot
Kill Command
Beast Lore (lol)

losing:
Immolation Trap
Multi Shot
Serpent Sting
Distracting Shot
Aspect of the Cheetah
Mongoose Bite

Mage
gaining:
Evocation
Blink

losing:
Blizzard - this is not being removed, it will still be in the 19 bracket
Slow fall
Arcane Intellect
Arcane Explosion

Paladin
gaining:
Crusader Strike
Divine Light
Flash of Light
Seal of Light

losing:
Devotion Aura - this is not being removed, it will still be in the 19 bracket.
Retribution Aura
Redemption
Righteous Defense
Hand of Protection
Hand of Freedom
Blessing of Might
holy light- substituted for Divine light, so no real change

Priest
gaining:
Flash Heal
Holy Fire
Vampiric Touch

losing:
Cure Disease
Fade
Dispel Magic

Rogue
gaining:
Recuperate

losing:
Slice and Dice
Expose Armor
Garrote

Shaman
gaining:
Primal Strike
Flametongue Totem
Cleanse Spirit

losing:
Fire Nova
Stoneskin Totem
Tremor Totem
Stoneclaw Totem
Rockbiter Weapon

Warlock
gaining:
Soul Burn
Soul Harvest

losing:
nothing whee

Warrior
gaining:
nothing

losing:
Overpower
Battle Shout
Shield Bash
Disarm
Demoralizing Shout