Core/Spells: Health Funnel now always damages the warlock, even if it does not heal the pet because it's already at full health. Previously it would display the 'Miss' effect on the owner of the pet.

Fixes #9991
Add mailbox command
Core/Players: On CanRewardQuest, use the same item dest vector for all potential rewards
Renamed method
Scripting/Utgarde Pinnacle: Fix visual during Svala's transformation
Core/Instances: Fix exploit too much players in instances/raids
Update SpellAuraEffects.cpp

Added Several Well Fed Item-Spells
Update SpellAuraEffects.cpp
Update SpellAuraEffects.cpp
Core/Guild: Implement GR_RIGHT_VIEWOFFNOTE
Core/Guild: HandleRoster should always have a valid session
Core/Entities: add some log messages in CheckCreatureTemplate
* Happy Error Spam
DB: update some creature templates
DB/Creature: update more creature templates
Scripts/BloodFurnace:
* cleanup InstanceScript
* fix broggok poison cloud

Scripts/Naxxramas/Grobbulus:
* fix poison cloud
* fix mutating injection
Fix build
DB/Spawns: remove duplicate NPCs on Zeppelin from Orgrimmar to Thunder Bluff

Closes #11420
Core/SAI: drop unneeded code
Scripts/PoS/Garfrost: cleanup saronit blocks after death
Core/Battlefield: some codestyle changes