[TW] Core/BattleGrounds: SOTA teleport & [TW] Core/Spells: Talent Art of War (Rank 2)

http://www.truewow.org/bugs/view.php?id=379
Removes the teleport trigger from behind the gate when the gate is
destroyed.
Now using the teleport will then move you to behind the next gate on
that side.

http://www.truewow.org/bugs/view.php?id=263
Makes it so instant cast of flash of light or exorcism doesn't reset the
swing timer.