Core/Build: Fixed build.
DB/Quest: The Plains of Nasam

By dr-j, closes #3979
Core/Dependencies: Remove ACE_Singleton dependency from the Log and DelayExecutor classes.

Removed an unused function.
DB/SAI: Fix Stone statues

By untaught, closes #1923
DB/Quest: Fix Slim Pickings

By dr-j closes #1900
DB/Quest: The Story Thus Far...

By untaught, closes #11417
DB/Quest: Fix Basic Orders

By untaught, closes #11925
DB/Quest: All Things in Good Time

By dr-j, closes #11441
DB/Quest: Valduran the Stormborn

By w1sht0l1v3, closes #4499
Core/Loot: Fix disenchant exploit

Fix exploit that allowed to disenchant the same item multiple times.
Fixes #12116
DB/Spell: Arcane missiles & Penance critical chance reduction

By gecko32, closes #11949
DB/SAI: Prevent mass spawn of Heb'Jins Bat

By dr-j, closes #11596
DB/Quest: Cocooned

By dr-j, closes #11478
DB/Creature: Fix Proto-drake (23689)

By dr-j, closes #11782
DB/Creature: Enraged Stanley

By dr-j, closes #11774
DB/Quest: Jack Likes His Drink

by dr-j, closes #11453
DB/Creature: Fix Gurgthock

By dr-j, closes #11189
DB/Quest: The Ring of Blood: The Blue Brothers

By dr-j, closes #11185
Merge pull request #12306 from PortgasDAce/patch-6

[4.3.4] [Core/Spells]: Renamed unk to SPELL_ATTR8_BATTLE_RESURRECTION
Scripts/Ulduar: Implement Mimiron

TODO:
Make ACU hover properly (not fly, but hover).
Fix laser barrage visual not always being infront of VX-001. Problem is
caused by bad orientation update on spellcast.