Script/Emerald Dragons: Fixed a couple of issues with emerald dragon world bosses and some cleanup.

Renamed one sql from yesterday
DB/Misc: Various fixes from the Issue Tracker

Closes #1959
Closes #2297
Closes #2399
Closes #3038
Closes #3131
Closes #3225
Closes #3351
Closes #3432
Closes #3548
Core/SAI: Fix SMART_ACTION_SIMPLE_TALK for players.
Core/Build: Fixed a little mistake.
Missing variable in the function call.
Core/Spells: Enslave Demon shouldn't be usable on player pets.
Closes #7133
Merge pull request #8280 from DjYXA/patch-1

Daze mechanics Fix - By Arrakio
Core/Battleground: Fix arena battlemaster gossip (reverts 028b6e7)
Closes #8046
Core/Battleground: Crash fix after ba20aa809f
Core: Move a couple of log messages to debug
Core/Warden: Remove warning
Core/Log: Added more information to the log in MoveSplineInitArgs::Validate
Core: Utgarde Keep - Fix warning/error
Merge pull request #8291 from Gacko/utgardekeep

Core/DB: Utgarde Keep
Core/SQL: Renamed SQL from previous merge
SQL: Reorganized SQL files regarding previous merge.
Merge pull request #8247 from ille/recursivedeadlock

Core/Maps: Use Thread-Safe Interface design pattern to allow recursive calls on non...
Core/EventAI: Removed table creature_ai_summons.
Core: Remove Player.h dependency from all the possible headers
DB/Misc:

Add Support for Day of the Dead Closes #3761
Add Ray'ma for Brewfest Closes #3132
Add Spellfocus for Mistcaller Ynfvar see issue #3563
Add SAI for Somnus,Orokk Omosh, Raschal the Courrier,Plainstalker
Closes #3635
Closes #3678
Closes #3679
Closes #3680
Add Spawns & support for Quest Frankly, it makes no sense Closes #3749
Add SAI support for Quests: You Robot, Deaths Door
Closes #3809
Closes #3822
Fix Teribus the Cursed Closes #3930
Add SAI support for quests: To Catch a Sparrowhawk, Stop the Ascension, Melding of Influences
Closes #4803
Closes #4843
Closes #4996