[Core] Implement CreatureLinking Flag DESPAWN_ON_DESPAWN
Credit to @Schmoozerd [c12683]
[Core] Implement more spells for Ulduar
Target limits: 64465 and 63802
Spell effects: 64132, 64172, 65206, 64123, 64131, 64466, 64467 and 64148
Aura stacking 64161 and 65294
Credit to @xfurry [c12684]
[Core] Implement more spells for Yogg-Saron encounter
Spell effects: 63993, 64069 and 65238
Aura proc: 63305 and fix 64148
Credit to @xfurry [c12685]
[Core] Allow SpellClick during combat for dungeons
Credit to @xfurry [c12686]