* embed AceTimer
* use AceTimer hooks rather than OnUpdate
* fix auras don't hide when removed from any frame not monitored by UNIT_AURA
* fix auras don't display on mouseover
* fix auras don't display on raid/party members
* fix auras sometimes aren't hidden correctly
* do not hide auras when the timer gets to 0 (wait for combat log)
* use combat log to determine when to hide auras
* move "useWhitelist" option out of display group