DB/Gossip: Add some missing go gossip.
Core/Auras: Removed an unnecessary check.

mode is already checked in the first lines of SPELL_AURA_PHASE's handler.
DB/Creature_text: Add some missing text to db.
DB/Creature_text: Missing ; from previous commit
Core/Account: Move AccountMgr back to singleton
DB/Misc: Proper faction for npc Brann Bronzebeard.

This makes him assist in combat and now the mobs that spawn attack him.
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4
Script/Scholomance: Update Kirtonos the Herald script.
DB/creature: Add some missing Zul'Gurub Panther Trigger spawns
Core/Misc: Delete spell from character_spell table too when encountering an invalid spell
DB/SAI: Fixes quest: Catching up with Brann, closes #8983
DB/Creatures:  cleaning up creature_template_addon, removed auras that where also/already added by SAI, should reduce some runtime errors
DB/Creature: more cleanups in creature_template_addon: remove all pointless entries (0 in all fields, bytes2=1)
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4
DB: Lord Kelris - Correct sound on aggro

Thx @gecko32. Solves #6623
Core/Achievements: Delete from guild_achievement_progress table when encountering an invalid criteria in that table
DB: Lord Kelriss - Swap aggro and death text
DB/Conditions: Add level restriction for "Drums of War"
Damn TextEdit
DB/Creatures: more cleanups to creature_addon table: roughly 200 unrequired auras removed, SAI is already applying these....