Tremor Totem has been redesigned. The totem is now usable under Fear, Charm, or Sleep effects, and pulses much more rapidly, but lasts 6 seconds and has a 1-minute cooldown.
Cleansing Waters no longer fires its heal effect twice when a shaman removes a Magic and a Curse debuff with a single cast.
Source is on the Lock forums: http://us.battle.net/wow/en/forum/topic/1827663058?page=6