[12773] Fix logic bug in SelectAuraRankForLevel
[12774] Fix bug that cause AreaAura reaply because the code doesn't search the correct rank of it.
[12775] Fix area aura type raid check.
[12776] Fix AreaAura bug when low level grouped with high level Player. Thank to @tarwyn for his precious help and proposed patch.

http://cmangos.net/thread-6773.html
[12777] Fix issue with afk playerin duel logout request from client after 30 mins. We can logout during duel. Btw during duel we must be in combat for some timer without any action. Also change message from "duel cancel" to "duel  FLED"