DB/Creature: Fix Veridian Broodling

By Pitcrawler, closes #8990
SQL: Sync auth_database
Core/AuctionHouse: Merge last changes of PR #12917

Merge last changes of PR #12917 and fix a NULL dereference crash
Scripts/Ulduar: Implement Mimiron

Closes #12894
Fixes #7652
Fixes #4736

Signed-off-by: DDuarte <dnpd.dd@gmail.com>
Core/Misc: Remove unneeded NULL checks
Scripts/Hodir: Initialize variables

==9458== 1 errors in context 1 of 1:
==9458== Conditional jump or move depends on uninitialised value(s)
==9458==    at 0x1D2857B: boss_hodir::boss_hodirAI::DamageTaken(Unit*, unsigned int&) (boss_hodir.cpp:367)
==9458==    by 0x14A41E9: Unit::DealDamage(Unit*, unsigned int, CleanDamage const*, DamageEffectType, SpellSchoolMask, SpellInfo const*, bool) (Unit.cpp:562)
==9458==    by 0x1ABCEB3: misc_commandscript::HandleDamageCommand(ChatHandler*, char const*) (cs_misc.cpp:2138)
DB/Creature: Fix faction of Mutated Abomination
Scripts/Commands: Implement .guild info command

Displays a information summary about the selected player guild or a given guildId or Name

Closes #12949

Signed-off-by: DDuarte <dnpd.dd@gmail.com>
DB/SAI: Grizzly Hills quest complete scripts

Turn in scripts for: -

12195 The Unexpected 'Guest'
12199 Bringing Down the Iron Thane
12279 A Bear of an Appetite

And one I had already scripted thinking was ooc text but event for turn in of 12484 Scourgekabob and added the missing emotes.
DB/Commands: Fix a typo in help text of .guild info
Core/Players: Dungeon Finder quest rewards should be sent as a mail if the player's inventory happens to be full

Thanks @dr-j for the sniffed texts
Merge pull request #12951 from Nyeriah/patch-dfq

Core/Players: Dungeon Finder quest rewards should be sent as a mail if t...
Core/Player: Dungeon Finder quests don't follow the same rule as repeatable quests, they should award experience every time they're rewarded
DB/Creature: Fix more factions
Merge pull request #12952 from Nyeriah/patch-dfq

Core/Player: Dungeon Finder quests don't follow the same rule as repeata...
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	sql/base/auth_database.sql
	src/server/game/Entities/Player/Player.cpp