Core/PacketIO: Documented possible values for SMSG_NEW_WORLD reason field
Core/Logging: improved conditions error log messages

(cherry picked from commit d9c6b8fd89514e2b31dc1c4ac6668b5374d51fc1)
Scripts/SethekkHalls: fixed Talon King Coffer

(cherry picked from commit 716d1404de9d3a5dd6d3c5945f30f48ac544b10c)
Resolve merge conflict
Scripts/SteamVault: Remove non-selectable flag from access panels once their respective bosses are done

(cherry picked from commit e778ee14163a4989b90025f4d83f897a03ae183d)
Merge pull request #10 from TrinityCore/6.x

Update from trinity master branch