Multiple spell reflection
Core/Spells: Fixed double heal reduction on Eart Shield (issue #4032).
DB/SAI: Plagued Lands 2118

Fix 2118 Plagued Lands http://www.wowhead.com/quest=2118/plagued-lands

http://youtu.be/wj8CiZAaP8E, Script in SAI, Kill credit and way bear gets captured may need to be changed in the future but at this moment the server side spells have no effects in spell_dbc.

Id	        Name
9372	Bear Enters Auberdine
9439	Bear Captured in Trap,
DB/Waypoints: A few paths for Shadowmoon Valley
Core/Waypoints: Fixed memory leaks happening when loading waypoints with invalid move_type
Core/Loot: Fixed pickpocket refill timer and use send proper loot error packets to master looter
DB/SAI: Rise Obsidion (3.3.5 Script update)

A video of this quest from 2009 came to light, which showed a few things

* One text is yell not say, updated
* Added 2 missing texts first text and an emote text
* Dorius will now despawn when Lathoric enters
* Added some cooldown to event so event cannot be spammed, wont work again for minimum 60 seconds once started
* Lathroic the Black wont spawn until just before Dorius despawns

Closes #12712
DB/Creature: Set the proper faction for Kormok

* Closes #12716
DB/SAI: entries up to 10000 now using CMC where required.
Core/Trade: Replaced SendNotification hacks with proper trade packets
Core/Trade: Fix warnings
Core/Spells: Fix Bloodworms summon count
DB/Spells: Added missing sql in 479afc0ed04b7161c5460f3e1aed83c4241fd7fc
DB/Quest: The Chain Gun and You

Script by me, closes #1867
Core/Shared: Fix world and auth crash on shutdown (PCQ & DbWorker)

Fixes #12704
Core/Server: Add mutex lock to PacketLog
DB/Creature: Chicken Escapee

Closes #12606
DB/NPCs: Set basic immunities to most bosses

Charm, Fear, Root, Sleep, Freeze, Polymorph and Sapped
Thanks to Aokromes for the idea
CI/Travis: Do not use Jemalloc

It generates a lot of warnings and it is not useful to test build
Core/Spell: Correct the hit and miss counters in WriteSpellGoTargets

Fixes a client crash when spells hit (or miss) more than 255 targets (it was capped at 256 in 80b61fa584b019a298e129764cddba9f)
Thanks to @joschiwald for finding the mistake

Closes #12733